/* Premium FairTalkAI Design System */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Playfair+Display:wght@400;500;600;700;800;900&family=JetBrains+Mono:wght@300;400;500;600&display=swap');
@import url('https://unpkg.com/aos@2.3.1/dist/aos.css');

/* CSS Variables for Design System */
:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    --text-primary: #1a1a1a;
    --text-secondary: #6b7280;
    --text-accent: #667eea;
    --surface-elevation-1: rgba(255, 255, 255, 0.05);
    --surface-elevation-2: rgba(255, 255, 255, 0.1);
    --surface-elevation-3: rgba(255, 255, 255, 0.15);
    --blur-intensity: blur(16px);
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    --border-radius-xl: 32px;
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: all 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --shadow-elegant: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-luxurious: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    overflow-x: hidden;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    font-feature-settings: 'kern' 1, 'liga' 1;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Premium Container */
.premium-container {
    position: relative;
    min-height: 100vh;
}

/* Hero Section with Cinematic Background */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--primary-gradient);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 120%;
    z-index: 1;
    background: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        var(--primary-gradient);
}

.gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    backdrop-filter: var(--blur-intensity);
}

/* Floating Elements Animation */
.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.float-element {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.element-1 {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.element-2 {
    width: 120px;
    height: 120px;
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.element-3 {
    width: 60px;
    height: 60px;
    bottom: 30%;
    left: 80%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* Hero Content */
.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    color: white;
}

.hero-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(4rem, 10vw, 8rem);
    font-weight: 800;
    line-height: 1.05;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.title-gradient {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 900;
}

.title-accent {
    color: #ffd700;
    font-style: italic;
    font-weight: 800;
    text-shadow: 0 0 30px rgba(255, 215, 0, 0.5);
}

.hero-subtitle {
    font-family: 'Inter', sans-serif;
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 200;
    margin-bottom: 1.5rem;
    opacity: 0.95;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-description {
    font-family: 'Inter', sans-serif;
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    font-weight: 300;
    margin-bottom: 3rem;
    opacity: 0.85;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    letter-spacing: 0.01em;
}

/* Glassmorphism Form Container */
.glass-form-container {
    background: var(--glass-bg);
    backdrop-filter: var(--blur-intensity);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-xl);
    padding: 2.5rem;
    box-shadow: var(--glass-shadow);
    max-width: 600px;
    margin: 0 auto;
    transition: var(--transition-smooth);
}

.glass-form-container:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(31, 38, 135, 0.5);
}

/* Premium Form Grid */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

/* Premium Input Groups */
.input-group {
    position: relative;
    margin-bottom: 1rem;
}

.glass-input {
    width: 100%;
    padding: 1rem 1.25rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-md);
    color: white;
    font-size: 1rem;
    font-weight: 400;
    transition: var(--transition-smooth);
    backdrop-filter: blur(8px);
}

.glass-input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

.glass-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

/* Floating Labels */
.floating-label {
    position: absolute;
    top: 50%;
    left: 1.25rem;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.7);
    font-size: 1rem;
    font-weight: 400;
    pointer-events: none;
    transition: var(--transition-smooth);
    background: transparent;
    padding: 0 0.5rem;
}

.input-group.focused .floating-label,
.input-group.filled .floating-label {
    top: 0;
    left: 1rem;
    font-size: 0.75rem;
    color: #ffd700;
    background: rgba(102, 126, 234, 0.8);
    border-radius: 4px;
}

.input-highlight {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #ffd700, #ffffff);
    transition: var(--transition-smooth);
}

.input-group.focused .input-highlight {
    width: 100%;
}

/* Premium CTA Button */
.premium-cta-button {
    position: relative;
    width: 100%;
    padding: 1.5rem 2.5rem;
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    border: none;
    border-radius: var(--border-radius-md);
    color: #1a1a1a;
    font-family: 'Inter', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    cursor: pointer;
    overflow: hidden;
    transition: var(--transition-spring);
    box-shadow: var(--shadow-elegant);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.premium-cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-luxurious);
    background: linear-gradient(135deg, #ffed4e 0%, #ffd700 100%);
}

.premium-cta-button:active {
    transform: translateY(-1px);
}

.premium-cta-button.loading .button-text {
    opacity: 0;
}

.premium-cta-button.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid #1a1a1a;
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.button-ripple {
    position: absolute;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    transform: scale(0);
    transition: transform 0.6s ease-out;
}

.button-ripple.active {
    transform: scale(20);
    opacity: 0;
}

.button-icon {
    width: 20px;
    height: 20px;
    fill: currentColor;
    transition: var(--transition-smooth);
}

.premium-cta-button:hover .button-icon {
    transform: translateX(5px);
}

/* Security Badge */
.security-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.badge-icon {
    font-size: 1rem;
}

/* Process Section */
.process-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
}

.process-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="0.5" fill="%23667eea" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
    z-index: 1;
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
    line-height: 1.1;
    text-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
}

.section-subtitle {
    font-family: 'Inter', sans-serif;
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    color: var(--text-secondary);
    font-weight: 400;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.5;
    letter-spacing: 0.02em;
}

/* Process Grid */
.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.process-card {
    position: relative;
    height: 300px;
}

.card-glass {
    position: relative;
    height: 100%;
    background: var(--glass-bg);
    backdrop-filter: var(--blur-intensity);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--glass-shadow);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    overflow: hidden;
}

.card-glass:hover {
    background: var(--surface-elevation-2);
    transform: translateY(-10px);
    box-shadow: 0 20px 50px 0 rgba(31, 38, 135, 0.5);
}

.card-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-elegant);
    transition: var(--transition-smooth);
}

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

.icon-svg {
    width: 40px;
    height: 40px;
    fill: white;
}

.card-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.card-description {
    font-family: 'Inter', sans-serif;
    font-size: 1.125rem;
    font-weight: 400;
    color: var(--text-secondary);
    line-height: 1.6;
    flex-grow: 1;
    letter-spacing: 0.01em;
}

.card-number {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-accent);
    background: rgba(102, 126, 234, 0.1);
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius-sm);
    backdrop-filter: blur(8px);
    letter-spacing: 0.05em;
}

/* Pricing Section */
.pricing-section {
    padding: 6rem 0;
    background: var(--primary-gradient);
    position: relative;
    overflow: hidden;
}

.pricing-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 70%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
}

.pricing-section .section-title,
.pricing-section .section-subtitle {
    color: white;
}

.pricing-container {
    display: flex;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.pricing-card {
    max-width: 500px;
    width: 100%;
}

.pricing-glass {
    background: var(--glass-bg);
    backdrop-filter: var(--blur-intensity);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-xl);
    padding: 3rem;
    box-shadow: var(--glass-shadow);
    transition: var(--transition-smooth);
    color: white;
}

.pricing-glass:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-10px);
    box-shadow: 0 25px 60px 0 rgba(31, 38, 135, 0.6);
}

.pricing-header {
    text-align: center;
    margin-bottom: 2rem;
}

.pricing-title {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.price-display {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
    margin-bottom: 0.5rem;
}

.currency {
    font-size: 2rem;
    font-weight: 400;
    opacity: 0.8;
}

.amount {
    font-family: 'Inter', sans-serif;
    font-size: 5rem;
    font-weight: 900;
    line-height: 1;
    color: #ffd700;
    text-shadow: 0 0 40px rgba(255, 215, 0, 0.3);
}

.period {
    font-family: 'Inter', sans-serif;
    font-size: 1.125rem;
    font-weight: 500;
    opacity: 0.8;
    margin-left: 0.5rem;
    letter-spacing: 0.02em;
}

/* Features List */
.features-list {
    margin-bottom: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
    font-family: 'Inter', sans-serif;
    font-size: 1.125rem;
    font-weight: 500;
    line-height: 1.6;
    letter-spacing: 0.01em;
}

.check-icon {
    width: 24px;
    height: 24px;
    fill: #ffd700;
    flex-shrink: 0;
}

.pricing-footer {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.guarantee {
    font-size: 0.875rem;
    opacity: 0.8;
    margin: 0;
}

/* Premium Notifications */
.premium-notification {
    position: fixed;
    top: 2rem;
    right: 2rem;
    background: var(--glass-bg);
    backdrop-filter: var(--blur-intensity);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-md);
    padding: 1rem 1.5rem;
    color: white;
    font-weight: 500;
    box-shadow: var(--glass-shadow);
    z-index: 1000;
    transform: translateX(100%);
    opacity: 0;
    transition: var(--transition-smooth);
}

.premium-notification.show {
    transform: translateX(0);
    opacity: 1;
}

.premium-notification.success {
    border-left: 4px solid #10b981;
}

.premium-notification.error {
    border-left: 4px solid #ef4444;
}

/* Responsive Design */
@media (max-width: 768px) {
    .glass-form-container {
        padding: 1.5rem;
        margin: 0 1rem;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .process-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .pricing-glass {
        padding: 2rem;
        margin: 0 1rem;
    }
    
    .hero-section {
        padding: 2rem 0;
    }
}

@media (max-width: 480px) {
    .glass-form-container {
        padding: 1rem;
    }
    
    .premium-cta-button {
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }
    
    .pricing-glass {
        padding: 1.5rem;
    }
    
    .amount {
        font-size: 3rem;
    }
}

/* Performance Optimizations */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .float-element {
        animation: none;
    }
}

/* High DPI Support */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .hero-background {
        background-size: cover;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --text-primary: #f8fafc;
        --text-secondary: #cbd5e1;
        --glass-bg: rgba(0, 0, 0, 0.2);
        --glass-border: rgba(255, 255, 255, 0.1);
    }
}