/* CSS Variables */
:root {
    /* Colors - Brand Palette (Cool/Technological + Warm/Human) */
    --color-primary: #007BFF;
    --color-primary-light: #E7F1FF;
    --color-primary-dark: #0056B3;
    --color-primary-rgb: 0, 123, 255;
    --color-secondary: #FF4500;
    --color-secondary-light: #FFE0CC;
    --color-secondary-dark: #CC3300;
    --color-secondary-rgb: 255, 69, 0;
    --primary-color: #007BFF;
    --primary-hover: #0056B3;
    --primary-light: #E7F1FF;
    --secondary-color: #FF4500;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --text-primary: #343A40;
    --text-secondary: #6C757D;
    --text-light: #ADB5BD;
    --text-dark: #343A40;
    --text-muted: #6C757D;
    --background: #FFFFFF;
    --background-light: #F8FAFC;
    --background-dark: #343A40;
    --border-color: #E2E8F0;
    --border-light: #F1F5F9;
    --shadow-light: rgba(0, 123, 255, 0.08);
    --shadow-medium: rgba(0, 123, 255, 0.12);
    --shadow-heavy: rgba(0, 123, 255, 0.18);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #007BFF 0%, #0056B3 100%);
    --gradient-secondary: linear-gradient(135deg, #FF4500 0%, #CC3300 100%);
    --gradient-hero: linear-gradient(135deg, #007BFF 0%, #FF4500 100%);
    --gradient-hero-alt: linear-gradient(135deg, rgba(0, 123, 255, 0.05) 0%, rgba(255, 69, 0, 0.05) 100%);
    --gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(0, 123, 255, 0.95) 0%, rgba(0, 86, 179, 0.95) 100%);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    
    /* Z-index */
    --z-dropdown: 10;
    --z-sticky: 20;
    --z-fixed: 30;
    --z-modal: 40;
    --z-popover: 50;
    --z-tooltip: 60;
}

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

html {
    scroll-behavior: smooth;
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-6);
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 var(--spacing-8);
    }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-4);
    color: var(--text-dark);
}

h1 { 
    font-size: var(--font-size-4xl); 
    font-weight: var(--font-weight-extrabold);
    letter-spacing: -0.02em;
}
h2 { 
    font-size: var(--font-size-3xl); 
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.01em;
}
h3 { 
    font-size: var(--font-size-2xl); 
    font-weight: var(--font-weight-semibold);
}
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

@media (min-width: 768px) {
    h1 { 
        font-size: var(--font-size-5xl);
        letter-spacing: -0.03em;
    }
    h2 { font-size: var(--font-size-4xl); }
    h3 { font-size: var(--font-size-3xl); }
}

p {
    margin-bottom: var(--spacing-4);
    color: var(--text-secondary);
}

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

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.25);
    font-weight: var(--font-weight-semibold);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 123, 255, 0.35);
    color: white;
    background: linear-gradient(135deg, #0056B3 0%, #003d82 100%);
}

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

.btn-secondary:hover {
    background: var(--background-light);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

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

.btn-large {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-base);
}

.btn-full {
    width: 100%;
}

.btn-icon {
    width: 16px;
    height: 16px;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* Loading Spinner */
.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
    z-index: var(--z-fixed);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px var(--shadow-light);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-4) 0;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-lg);
    color: var(--text-primary);
}

.logo {
    width: 40px;
    height: 40px;
}

.nav-menu {
    display: none;
    align-items: center;
    gap: var(--spacing-8);
}

@media (min-width: 768px) {
    .nav-menu {
        display: flex;
    }
}

.nav-link {
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

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

.nav-link.cta-nav {
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-2) var(--spacing-5);
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-semibold);
    box-shadow: 0 2px 10px rgba(0, 123, 255, 0.25);
    transition: all var(--transition-normal);
}

.nav-link.cta-nav:hover {
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.35);
    background: linear-gradient(135deg, #0056B3 0%, #003d82 100%);
}

.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
    cursor: pointer;
}

@media (min-width: 768px) {
    .nav-toggle {
        display: none;
    }
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-fast);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
    background: linear-gradient(135deg, 
        rgba(0, 123, 255, 0.02) 0%, 
        rgba(255, 69, 0, 0.02) 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(0, 123, 255, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(255, 69, 0, 0.06) 0%, transparent 50%);
    opacity: 1;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at top left, rgba(0, 123, 255, 0.03) 0%, transparent 60%),
                radial-gradient(ellipse at bottom right, rgba(255, 69, 0, 0.03) 0%, transparent 60%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-12);
    align-items: center;
}

@media (min-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr 1fr;
    }
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-extrabold);
    line-height: 1.15;
    margin-bottom: var(--spacing-6);
    letter-spacing: -0.02em;
}

.hero-title em {
    font-style: normal;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: var(--font-weight-extrabold);
}

@media (min-width: 768px) {
    .hero-title {
        font-size: var(--font-size-5xl);
        letter-spacing: -0.03em;
    }
}

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

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

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-8);
}

.hero-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-8);
}

@media (min-width: 768px) {
    .hero-features {
        grid-template-columns: repeat(4, 1fr);
    }
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3);
    background: var(--background);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-4);
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-xl);
    background: var(--gradient-hero-alt);
    border: 2px solid var(--color-primary-light);
}

.feature-icon-1 { background: linear-gradient(135deg, rgba(0, 123, 255, 0.1) 0%, rgba(0, 123, 255, 0.05) 100%); }
.feature-icon-2 { background: linear-gradient(135deg, rgba(255, 69, 0, 0.1) 0%, rgba(255, 69, 0, 0.05) 100%); }
.feature-icon-3 { background: linear-gradient(135deg, rgba(0, 123, 255, 0.1) 0%, rgba(0, 123, 255, 0.05) 100%); }
.feature-icon-4 { background: linear-gradient(135deg, rgba(255, 69, 0, 0.1) 0%, rgba(255, 69, 0, 0.05) 100%); }
.feature-icon-5 { background: linear-gradient(135deg, rgba(0, 123, 255, 0.1) 0%, rgba(0, 123, 255, 0.05) 100%); }
.feature-icon-6 { background: linear-gradient(135deg, rgba(255, 69, 0, 0.1) 0%, rgba(255, 69, 0, 0.05) 100%); }

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-8);
}

@media (min-width: 640px) {
    .hero-actions {
        flex-direction: row;
    }
}

.social-proof {
    text-align: center;
}

@media (min-width: 1024px) {
    .social-proof {
        text-align: left;
    }
}

.proof-text {
    font-size: var(--font-size-sm);
    color: var(--text-light);
    margin-bottom: var(--spacing-3);
}

.proof-logos {
    display: flex;
    justify-content: center;
    gap: var(--spacing-4);
}

@media (min-width: 1024px) {
    .proof-logos {
        justify-content: flex-start;
    }
}

.proof-logo {
    font-size: var(--font-size-2xl);
    opacity: 0.6;
}

/* Hero Visual */
.hero-visual {
    position: relative;
}

.hero-image {
    position: relative;
    max-width: 100%;
    width: 100%;
    height: auto;
    margin: 0 auto;
    border-radius: var(--radius-2xl);
    box-shadow: 0 20px 60px rgba(0, 123, 255, 0.15);
    border: 1px solid var(--border-light);
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.05) 0%, rgba(255, 69, 0, 0.05) 100%);
    aspect-ratio: auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.section-image {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-2xl);
    box-shadow: 0 20px 60px rgba(0, 123, 255, 0.15);
    border: 1px solid var(--border-light);
}

.dashboard-preview {
    background: var(--background);
    border-radius: var(--radius-2xl);
    box-shadow: 0 20px 60px var(--shadow-medium);
    overflow: hidden;
    border: 1px solid var(--border-light);
}

.dashboard-header {
    background: var(--background-light);
    padding: var(--spacing-4);
    border-bottom: 1px solid var(--border-light);
}

.dashboard-nav {
    display: flex;
    gap: var(--spacing-2);
}

.nav-item {
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
}

.nav-item.active {
    background: var(--primary-color);
    color: white;
}

.dashboard-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-3);
    padding: var(--spacing-4);
}

.metric-card {
    text-align: center;
    padding: var(--spacing-3);
    background: var(--background-light);
    border-radius: var(--radius-lg);
}

.metric-value {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
}

.metric-label {
    font-size: var(--font-size-xs);
    color: var(--text-light);
}

.floating-card {
    position: absolute;
    background: var(--background);
    border-radius: var(--radius-xl);
    box-shadow: 0 10px 30px var(--shadow-light);
    border: 1px solid var(--border-light);
    padding: var(--spacing-4);
    animation: float 3s ease-in-out infinite;
}

.card-1 {
    top: 20%;
    right: -20%;
    width: 200px;
}

.card-2 {
    bottom: 20%;
    left: -20%;
    width: 180px;
}

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

.ai-indicator {
    background: var(--gradient-success);
    color: white;
    font-size: var(--font-size-xs);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-full);
    display: inline-block;
    margin-bottom: var(--spacing-2);
}

.sentiment {
    font-size: var(--font-size-xs);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-full);
    display: inline-block;
    margin-top: var(--spacing-2);
}

.sentiment.positive {
    background: var(--success-color);
    color: white;
}

.notification {
    background: var(--primary-light);
    color: var(--primary-color);
    font-size: var(--font-size-xs);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-full);
    display: inline-block;
    margin-bottom: var(--spacing-2);
}

/* Section Styles */
.section {
    padding: var(--spacing-20) 0;
}

.section-light {
    background: linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 100%);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-16);
}

.section-title {
    margin-bottom: var(--spacing-6);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-hero);
    border-radius: var(--radius-full);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

.section-content {
    max-width: 900px;
    margin: 0 auto;
}

.section-text {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    text-align: center;
}

/* Features Section */
.features {
    padding: var(--spacing-24) 0;
    background: var(--background-light);
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature-card {
    background: var(--background);
    padding: var(--spacing-8);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border-light);
    box-shadow: 0 2px 8px rgba(0, 123, 255, 0.08);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-hero);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 123, 255, 0.15);
    border-color: rgba(0, 123, 255, 0.2);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon-large {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-4);
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-3);
    color: var(--text-dark);
}

.feature-text {
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--text-secondary);
    margin: 0;
}

.feature-description {
    margin-bottom: var(--spacing-6);
}

.feature-list {
    list-style: none;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.feature-list li::before {
    content: "✅";
    flex-shrink: 0;
}

/* Benefits Section */
.benefits {
    padding: var(--spacing-24) 0;
}

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
    margin-top: var(--spacing-12);
}

@media (min-width: 768px) {
    .benefits-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.benefit-card {
    background: var(--background);
    padding: var(--spacing-8);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border-light);
    box-shadow: 0 2px 8px rgba(0, 123, 255, 0.08);
    transition: all var(--transition-normal);
    position: relative;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-hero);
    opacity: 0;
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
    transition: opacity var(--transition-normal);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 123, 255, 0.15);
    border-color: rgba(0, 123, 255, 0.2);
}

.benefit-card:hover::before {
    opacity: 1;
}

.benefit-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-4);
    color: var(--text-dark);
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.benefit-text {
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--text-secondary);
    margin: 0;
}

.benefits-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-12);
    align-items: center;
}

@media (min-width: 1024px) {
    .benefits-content {
        grid-template-columns: 1fr 1fr;
    }
}

.benefits-list {
    margin-bottom: var(--spacing-8);
}

.benefit-item {
    display: flex;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
}

.benefit-icon {
    font-size: var(--font-size-2xl);
    flex-shrink: 0;
}

.benefit-content h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2);
}

.benefit-content p {
    margin: 0;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-4);
}

.stat-card {
    background: var(--background);
    padding: var(--spacing-6);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
    text-align: center;
    box-shadow: 0 4px 15px var(--shadow-light);
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-extrabold);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-2);
}

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

/* Pricing Section */
.pricing {
    padding: var(--spacing-24) 0;
    background: var(--background-light);
}

.pricing-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-12);
}

@media (min-width: 768px) {
    .pricing-cards {
        grid-template-columns: repeat(3, 1fr);
    }
}

.pricing-card {
    background: var(--background);
    padding: var(--spacing-8);
    border-radius: var(--radius-2xl);
    border: 2px solid var(--color-primary);
    position: relative;
    transition: all var(--transition-normal);
    box-shadow: 0 8px 30px rgba(0, 123, 255, 0.15);
    max-width: 500px;
    margin: 0 auto;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--gradient-hero);
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 50px rgba(0, 123, 255, 0.25);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    box-shadow: 0 10px 40px var(--shadow-medium);
}

.plan-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-1) var(--spacing-4);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

.plan-header {
    text-align: center;
    margin-bottom: var(--spacing-6);
}

.plan-name {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-4);
}

.plan-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--spacing-1);
    margin-bottom: var(--spacing-3);
}

.currency {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
}

.pricing-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-6);
    text-align: center;
    color: var(--text-dark);
}

.pricing-price {
    text-align: center;
    margin-bottom: var(--spacing-6);
}

.amount {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-extrabold);
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-period {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: var(--spacing-8) 0;
}

.pricing-features li {
    padding: var(--spacing-3) 0;
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-light);
}

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

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

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

.plan-features {
    list-style: none;
    margin-bottom: var(--spacing-8);
}

.plan-features li {
    padding: var(--spacing-2) 0;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.ssl-badge-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-4);
    background: var(--background-light);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-6);
}

.ssl-badge {
    width: 60px;
    height: auto;
}

.ssl-text {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    text-align: center;
}

.pricing-footer {
    text-align: center;
    color: var(--text-secondary);
}

/* Registration Section */
.registration {
    padding: var(--spacing-24) 0;
    background: linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 100%);
}

.registration-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-12);
    align-items: start;
    margin-top: var(--spacing-12);
}

@media (min-width: 1024px) {
    .registration-content {
        grid-template-columns: 1fr 2fr;
        gap: var(--spacing-16);
    }
}

.registration-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
}

.info-card {
    background: var(--background);
    padding: var(--spacing-6);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
    box-shadow: 0 2px 8px rgba(0, 123, 255, 0.08);
    transition: all var(--transition-normal);
}

.info-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 123, 255, 0.12);
    border-color: rgba(0, 123, 255, 0.2);
}

.info-card .info-icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-3);
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.info-card h4 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-2);
    color: var(--text-dark);
}

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

.registration-benefits {
    margin: var(--spacing-8) 0;
}

.registration-benefits .benefit-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
    font-weight: var(--font-weight-medium);
}

.testimonial {
    background: var(--background-light);
    padding: var(--spacing-6);
    border-radius: var(--radius-xl);
    border-left: 4px solid var(--primary-color);
    margin-top: var(--spacing-8);
}

.testimonial-content p {
    font-style: italic;
    margin-bottom: var(--spacing-3);
}

.testimonial-author {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* Form Styles */
.form {
    background: var(--background);
    padding: var(--spacing-8);
    border-radius: var(--radius-2xl);
    border: 2px solid var(--border-light);
    box-shadow: 0 8px 30px rgba(0, 123, 255, 0.12);
    position: relative;
    overflow: hidden;
}

.form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--gradient-hero);
}

.form-header {
    text-align: center;
    margin-bottom: var(--spacing-8);
    padding-top: var(--spacing-4);
}

.form-header h3 {
    margin-bottom: var(--spacing-3);
    color: var(--text-dark);
    font-size: var(--font-size-2xl);
}

.form-header p {
    color: var(--text-secondary);
    margin: 0;
    font-size: var(--font-size-base);
}

.form-columns {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
    margin-top: var(--spacing-6);
}

@media (min-width: 1024px) {
    .form-columns {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-10);
    }
}

.form-column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.form-section-header {
    margin-bottom: var(--spacing-4);
}

.form-section-header h4 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-dark);
    margin-bottom: var(--spacing-2);
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.form-section-header p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: 0;
}

.payment-info-box {
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.05) 0%, rgba(255, 69, 0, 0.05) 100%);
    padding: var(--spacing-4);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-primary-light);
    margin-top: var(--spacing-4);
}

.payment-info-box p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: var(--spacing-1) 0;
}

.payment-info-box strong {
    color: var(--text-dark);
}

.form-group {
    margin-bottom: var(--spacing-6);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-4);
}

@media (min-width: 640px) {
    .form-row {
        grid-template-columns: 1fr 1fr;
    }
}

.form-label {
    display: block;
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-2);
    color: var(--text-primary);
}

.form-input,
.form-select,
textarea {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
    background: var(--background);
}

.form-input:focus,
.form-select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-error {
    color: var(--error-color);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-1);
    display: none;
}

.form-error.visible {
    display: block;
}

.form-help {
    color: var(--text-light);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-1);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    cursor: pointer;
    font-size: var(--font-size-sm);
}

.checkbox-label input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.checkmark {
    position: relative;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--background);
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.checkbox-label input[type="checkbox"]:checked ~ .checkmark {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.checkbox-label input[type="checkbox"]:checked ~ .checkmark::after {
    content: "✓";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
}

.form-footer {
    text-align: center;
    margin-top: var(--spacing-4);
    color: var(--text-light);
    font-size: var(--font-size-sm);
}

.btn-loading {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

/* Success Message */
.success-message {
    background: var(--background);
    padding: var(--spacing-8);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--success-color);
    text-align: center;
    box-shadow: 0 10px 40px rgba(16, 185, 129, 0.15);
}

.success-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-4);
}

.success-message h3 {
    color: var(--success-color);
    margin-bottom: var(--spacing-4);
}

.success-details {
    background: var(--background-light);
    padding: var(--spacing-6);
    border-radius: var(--radius-lg);
    margin: var(--spacing-6) 0;
    text-align: left;
}

.success-details ol {
    margin-top: var(--spacing-3);
    padding-left: var(--spacing-4);
}

.success-details li {
    margin-bottom: var(--spacing-2);
    color: var(--text-secondary);
}

/* Contact Section */
.contact {
    padding: var(--spacing-24) 0;
    background: var(--background-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-12);
}

@media (min-width: 1024px) {
    .contact-content {
        grid-template-columns: 1fr 1fr;
    }
}

.contact-methods {
    margin: var(--spacing-8) 0;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
}

.contact-icon {
    font-size: var(--font-size-2xl);
    width: 60px;
    height: 60px;
    background: var(--background);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-light);
}

.contact-details h4 {
    margin-bottom: var(--spacing-1);
}

.contact-details p {
    margin: 0;
    color: var(--text-secondary);
}

/* Footer */
.footer {
    background: var(--background-dark);
    color: white;
    padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-8);
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-content {
        grid-template-columns: 2fr repeat(4, 1fr);
    }
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
}

.footer-logo {
    width: 40px;
    height: 40px;
    filter: brightness(0) invert(1);
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-6);
}

.social-links {
    display: flex;
    gap: var(--spacing-4);
}

.social-link {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.social-link:hover {
    color: white;
}

.footer-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-4);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-2);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-6);
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: var(--z-modal);
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4);
}

.modal-content {
    background: var(--background);
    border-radius: var(--radius-2xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn 0.3s ease-out;
}

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

.modal-close {
    position: absolute;
    top: var(--spacing-4);
    right: var(--spacing-4);
    font-size: var(--font-size-2xl);
    cursor: pointer;
    color: var(--text-light);
    transition: color var(--transition-fast);
}

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

.modal-header {
    padding: var(--spacing-6) var(--spacing-8) 0;
}

.modal-body {
    padding: var(--spacing-6) var(--spacing-8) var(--spacing-8);
}

.demo-video {
    background: var(--background-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-16) var(--spacing-8);
    text-align: center;
    margin-bottom: var(--spacing-6);
}

.video-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-4);
}

.play-button {
    font-size: var(--font-size-4xl);
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.play-button:hover {
    transform: scale(1.1);
}

.demo-features h4 {
    margin-bottom: var(--spacing-4);
}

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

.demo-features li {
    margin-bottom: var(--spacing-2);
    font-size: var(--font-size-sm);
}

/* FAQ Section Styles */
.faq {
    padding: var(--spacing-20) 0;
    background: linear-gradient(180deg, #F8F9FA 0%, #FFFFFF 100%);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border: 1px solid #E2E8F0;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-4);
    overflow: hidden;
    transition: box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.faq-item:hover {
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.1);
}

.faq-item.open {
    border-color: var(--color-primary);
    box-shadow: 0 4px 16px rgba(0, 123, 255, 0.15);
}

.faq-question {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    padding: var(--spacing-5);
    cursor: pointer;
    background: white;
    transition: background-color var(--transition-fast);
    user-select: none;
}

.faq-question:hover {
    background: #F8F9FA;
}

.faq-question h3 {
    flex: 1;
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

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

.faq-toggle {
    font-size: 1.5rem;
    color: var(--color-primary);
    font-weight: bold;
    transition: transform var(--transition-normal);
    flex-shrink: 0;
}

.faq-item.open .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
    border-top: 1px solid #E2E8F0;
}

.faq-answer p {
    padding: var(--spacing-5);
    margin: 0;
    color: var(--text-secondary);
    font-size: var(--font-size-base);
    line-height: 1.8;
}

/* Form Checkbox Styles */
.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    margin: var(--spacing-4) 0;
}

.form-checkbox-input {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    cursor: pointer;
    accent-color: var(--color-primary);
    flex-shrink: 0;
}

.form-checkbox-label {
    flex: 1;
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}

.form-checkbox-label a {
    color: var(--color-primary);
    text-decoration: underline;
    transition: color var(--transition-fast);
}

.form-checkbox-label a:hover {
    color: var(--color-primary-dark);
}

/* Responsive Design */
@media (max-width: 767px) {
    .hero {
        padding-top: 100px;
        min-height: auto;
        padding-bottom: var(--spacing-12);
    }
    
    .hero-content {
        gap: var(--spacing-8);
    }
    
    .hero-features {
        grid-template-columns: 1fr;
    }
    
    .hero-actions {
        gap: var(--spacing-3);
    }
    
    .card-1,
    .card-2 {
        display: none;
    }
    
    .section-header {
        margin-bottom: var(--spacing-12);
    }
    
    .features,
    .benefits,
    .pricing,
    .registration,
    .contact {
        padding: var(--spacing-16) 0;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: var(--spacing-2); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }
.mb-8 { margin-bottom: var(--spacing-8); }

.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--spacing-2); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }
.mt-8 { margin-top: var(--spacing-8); }

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Toast Notifications */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(400px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideOutRight {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(400px);
    }
}

.toast {
    min-width: 280px;
    max-height: none;
    overflow: visible;
    white-space: normal;
    word-break: break-word;
}

.toast-error {
    background-color: #dc3545;
    color: white;
}

.toast-success {
    background-color: #10b981;
    color: white;
}

.toast-warning {
    background-color: #f59e0b;
    color: #856404;
}

.toast-info {
    background-color: #17a2b8;
    color: white;
}

/* Smooth scrolling for anchor links */
html {
    scroll-padding-top: 80px;
}

/* Print styles */
@media print {
    .navbar,
    .hero,
    .registration,
    .contact,
    .footer {
        display: none;
    }
    
    .features,
    .benefits,
    .pricing {
        padding: var(--spacing-8) 0;
    }
    
    .container {
        max-width: none;
        padding: 0;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000000;
        --text-secondary: #000000;
        --shadow-light: rgba(0, 0, 0, 0.3);
        --shadow-medium: rgba(0, 0, 0, 0.4);
        --shadow-heavy: rgba(0, 0, 0, 0.5);
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .floating-card {
        animation: none;
    }
    
    html {
        scroll-behavior: auto;
    }
}