/* ============================================
   VOLTARA TRIZE - MODERN PROFESSIONAL DESIGN
   ============================================ */

/* CSS Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

/* ============================================
   MODERN COLOR SYSTEM
   ============================================ */

:root {
    /* Primary Colors - Modern Cyan/Purple Palette */
    --primary-50: #f0f9ff;
    --primary-100: #e0f2fe;
    --primary-200: #bae6fd;
    --primary-300: #7dd3fc;
    --primary-400: #38bdf8;
    --primary-500: #0ea5e9;
    --primary-600: #0284c7;
    --primary-700: #0369a1;
    --primary-800: #075985;
    --primary-900: #0c3d66;
    
    /* Accent Colors - Modern Neon Purple */
    --accent-50: #fdf4ff;
    --accent-100: #fae8ff;
    --accent-200: #f5d0ff;
    --accent-300: #f0abfc;
    --accent-400: #e879f9;
    --accent-500: #d946ef;
    --accent-600: #c026d3;
    --accent-700: #a21caf;
    --accent-800: #86198f;
    --accent-900: #701a75;
    
    /* Neutral Colors - Modern Dark Gray */
    --gray-50: #fafafa;
    --gray-100: #f4f4f5;
    --gray-200: #e4e4e7;
    --gray-300: #d4d4d8;
    --gray-400: #a1a1aa;
    --gray-500: #71717a;
    --gray-600: #52525b;
    --gray-700: #3f3f46;
    --gray-800: #27272a;
    --gray-900: #18181b;
    
    /* Semantic Colors */
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --error: #ef4444;
    --error-light: #fee2e2;
    --info: #0ea5e9;
    --info-light: #cffafe;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --bg-dark: #0f172a;
    --bg-darker: #0a0e27;
    --bg-overlay: rgba(0, 0, 0, 0.8);
    
    /* Text Colors */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-light: #ffffff;
    --text-inverse: #f1f5f9;
    
    /* Modern Gradients */
    --gradient-primary: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%);
    --gradient-secondary: linear-gradient(135deg, #d946ef 0%, #f0abfc 100%);
    --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0369a1 100%);
    --gradient-hero-alt: linear-gradient(180deg, #0f172a 0%, #1a1a2e 50%, #16213e 100%);
    --gradient-card: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
    --gradient-glow: radial-gradient(circle, rgba(14, 165, 233, 0.1) 0%, transparent 70%);
    
    /* Modern Shadows - Enhanced Depth */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.12), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 30px rgba(14, 165, 233, 0.2);
    --shadow-glow-purple: 0 0 30px rgba(217, 70, 239, 0.2);
    
    /* Border Radius */
    --radius-xs: 0.125rem;
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-3xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Spacing Scale */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;
    
    /* Typography Scale */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    --text-7xl: 4.5rem;
    --text-8xl: 6rem;
    --text-9xl: 8rem;
    
    /* Backdrop filters */
    --backdrop-blur: blur(20px);
    --backdrop-blur-lg: blur(30px);
}

/* ============================================
   MODERN TYPOGRAPHY
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@100;200;300;400;500;600;700;800;900&display=swap');

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.025em;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

h1 {
    font-size: clamp(var(--text-4xl), 5vw, var(--text-7xl));
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.04em;
}

h2 {
    font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
    font-weight: 700;
    letter-spacing: -0.03em;
}

h3 {
    font-size: clamp(var(--text-2xl), 3vw, var(--text-3xl));
    font-weight: 600;
    letter-spacing: -0.02em;
}

h4 {
    font-size: clamp(var(--text-xl), 2.5vw, var(--text-2xl));
    font-weight: 600;
}

h5 {
    font-size: var(--text-lg);
    font-weight: 600;
}

h6 {
    font-size: var(--text-base);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

p {
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
    font-size: var(--text-lg);
    line-height: 1.8;
}

.lead {
    font-size: var(--text-xl);
    font-weight: 400;
    color: var(--text-secondary);
    line-height: 1.7;
}

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

/* ============================================
   MODERN BUTTON SYSTEM - ENHANCED
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-base);
    font-weight: 600;
    line-height: 1.5;
    text-decoration: none;
    border: 0;
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    letter-spacing: 0.02em;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.2) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.btn:hover::before {
    transform: translateX(100%);
}

.btn:focus {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-light);
    box-shadow: var(--shadow-md), var(--shadow-glow);
    position: relative;
}

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

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 2px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    border-color: var(--primary-400);
    background: var(--primary-50);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--primary-600);
    border: 2px solid var(--primary-300);
    backdrop-filter: var(--backdrop-blur);
}

.btn-outline:hover {
    background: var(--primary-50);
    border-color: var(--primary-500);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

.btn-dark {
    background: var(--gray-900);
    color: var(--text-light);
    box-shadow: var(--shadow-md);
}

.btn-dark:hover {
    background: var(--gray-800);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-lg);
    border-radius: var(--radius-2xl);
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    border-radius: var(--radius-lg);
}

/* ============================================
   MODERN CARD SYSTEM - ENHANCED
   ============================================ */

.card {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 30%, rgba(14, 165, 233, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    border-color: var(--primary-200);
}

.card:hover::before {
    transform: scaleX(1);
}

.card-icon {
    width: 72px;
    height: 72px;
    background: var(--gradient-primary);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-3xl);
    margin-bottom: var(--space-6);
    position: relative;
    box-shadow: var(--shadow-md), var(--shadow-glow);
    transition: all 0.3s ease;
}

.card:hover .card-icon {
    transform: scale(1.1) translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.card-icon::after {
    content: '';
    position: absolute;
    inset: -4px;
    background: var(--gradient-primary);
    border-radius: var(--radius-2xl);
    z-index: -1;
    opacity: 0.15;
    filter: blur(8px);
}

.card-title {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-3);
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.card-description {
    color: var(--text-secondary);
    line-height: 1.8;
    font-weight: 400;
}

/* ============================================
   MODERN FORM SYSTEM - ENHANCED
   ============================================ */

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

.form-label {
    display: block;
    margin-bottom: var(--space-3);
    font-weight: 600;
    font-size: var(--text-sm);
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-4);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    font-size: var(--text-base);
    transition: all 0.3s ease;
    background: var(--bg-primary);
    font-family: inherit;
    backdrop-filter: var(--backdrop-blur);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.1), var(--shadow-glow);
    transform: translateY(-1px);
}

.form-input::placeholder {
    color: var(--text-muted);
    font-weight: 400;
}

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

.form-error {
    color: var(--error);
    font-size: var(--text-sm);
    margin-top: var(--space-2);
    font-weight: 500;
}

/* ============================================
   MODERN HEADER - ENHANCED
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: var(--backdrop-blur);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.4s ease;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: var(--backdrop-blur-lg);
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--gray-200);
}

.header-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    font-size: var(--text-2xl);
    font-weight: 900;
    text-decoration: none;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
    transition: all 0.3s ease;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-8);
    margin: 0;
    padding: 0;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: var(--text-base);
    transition: all 0.3s ease;
    position: relative;
    padding: var(--space-2) 0;
    letter-spacing: 0.01em;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-600);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--gradient-primary);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: var(--radius-full);
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.language-switcher {
    display: flex;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    padding: var(--space-1);
    border: 1px solid var(--gray-200);
}

.lang-link {
    padding: var(--space-2) var(--space-5);
    text-decoration: none;
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    transition: all 0.3s ease;
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: 0.05em;
}

.lang-link.active {
    background: var(--bg-primary);
    color: var(--primary-600);
    box-shadow: var(--shadow-sm);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: var(--text-2xl);
    cursor: pointer;
    color: var(--text-primary);
    padding: var(--space-2);
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background: var(--bg-primary);
    box-shadow: var(--shadow-2xl);
    padding: var(--space-8);
    transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1001;
    overflow-y: auto;
}

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

.mobile-menu-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    background: none;
    border: none;
    font-size: var(--text-3xl);
    cursor: pointer;
    color: var(--text-secondary);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: all 0.2s ease;
}

.mobile-menu-close:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

.mobile-nav-menu {
    list-style: none;
    margin-top: var(--space-16);
    padding: 0;
}

.mobile-nav-menu li {
    margin-bottom: var(--space-2);
}

.mobile-nav-menu .nav-link {
    display: block;
    padding: var(--space-4);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-xl);
    transition: all 0.2s ease;
    font-weight: 500;
}

.mobile-nav-menu .nav-link:hover {
    background: var(--gray-100);
    color: var(--primary-600);
}

.mobile-language-switcher {
    margin-top: var(--space-8);
    padding: var(--space-4) 0;
    border-top: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
}

.mobile-language-switcher .lang-link {
    display: block;
    padding: var(--space-3);
    margin-bottom: var(--space-2);
    text-decoration: none;
    color: var(--text-secondary);
    border-radius: var(--radius-lg);
    transition: all 0.2s ease;
}

.mobile-language-switcher .lang-link.active,
.mobile-language-switcher .lang-link:hover {
    background: var(--primary-50);
    color: var(--primary-600);
}

.mobile-cta {
    margin-top: var(--space-8);
}

.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   MODERN SECTIONS
   ============================================ */

.section {
    padding: var(--space-24) 0;
    position: relative;
}

.section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-glow);
    pointer-events: none;
    opacity: 0;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-20);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    margin-bottom: var(--space-6);
    font-weight: 900;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: var(--text-xl);
    color: var(--text-secondary);
    line-height: 1.7;
    font-weight: 400;
}

/* Hero Section */
.hero {
    background: var(--gradient-hero);
    color: var(--text-light);
    padding: var(--space-32) 0 var(--space-24);
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(14, 165, 233, 0.25) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(217, 70, 239, 0.25) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(14, 165, 233, 0.15) 0%, transparent 50%);
    filter: blur(1px);
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    animation: fadeInUp 1s ease-out;
}

.hero h1 {
    color: var(--text-light);
    margin-bottom: var(--space-6);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.hero h1 .text-gradient {
    background: linear-gradient(135deg, #38bdf8 0%, #f0abfc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero .lead {
    color: rgba(241, 245, 249, 0.9);
    margin-bottom: var(--space-10);
    font-size: var(--text-xl);
    font-weight: 400;
    letter-spacing: 0.01em;
}

.hero-cta {
    display: flex;
    gap: var(--space-5);
    justify-content: center;
    flex-wrap: wrap;
}

/* Benefits Grid */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-8);
}

/* Stats Grid Enhanced */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-8);
    text-align: center;
}

.stat-item {
    padding: var(--space-8);
    background: var(--gradient-card);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(14, 165, 233, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

.stat-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.stat-number {
    font-size: var(--text-5xl);
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-2);
    line-height: 1;
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    font-weight: 600;
    letter-spacing: 0.01em;
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-8);
}

/* ============================================
   TESTIMONIALS ENHANCED
   ============================================ */

.testimonial {
    background: var(--gradient-card);
    padding: var(--space-8);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    position: relative;
    transition: all 0.4s ease;
}

.testimonial::before {
    content: '"';
    position: absolute;
    top: var(--space-4);
    left: var(--space-6);
    font-size: var(--text-6xl);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: Georgia, serif;
    line-height: 1;
    opacity: 0.6;
}

.testimonial:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl), var(--shadow-glow);
    border-color: var(--primary-200);
}

.testimonial-content {
    font-style: italic;
    margin-bottom: var(--space-6);
    color: var(--text-secondary);
    font-size: var(--text-lg);
    line-height: 1.8;
    position: relative;
    z-index: 1;
    font-weight: 400;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-2xl);
    background: var(--gradient-secondary);
    color: var(--text-light);
    box-shadow: var(--shadow-md), var(--shadow-glow-purple);
    font-weight: 700;
}

.testimonial-info h5 {
    color: var(--text-primary);
    margin-bottom: var(--space-1);
    font-size: var(--text-lg);
    font-weight: 700;
    letter-spacing: -0.01em;
}

.testimonial-info p {
    color: var(--text-muted);
    margin: 0;
    font-size: var(--text-sm);
    font-weight: 500;
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-8);
    margin-top: var(--space-16);
}

/* ============================================
   PRICING ENHANCED
   ============================================ */

.pricing-card {
    background: var(--gradient-card);
    border-radius: var(--radius-2xl);
    padding: var(--space-10);
    text-align: center;
    position: relative;
    border: 2px solid var(--gray-200);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(14, 165, 233, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.pricing-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-2xl), var(--shadow-glow);
    border-color: var(--primary-300);
}

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

.pricing-card.featured {
    border-color: var(--primary-500);
    transform: scale(1.05);
    background: linear-gradient(135deg, #e0f2fe 0%, #ffffff 100%);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-12px);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: var(--text-light);
    padding: var(--space-2) var(--space-6);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    box-shadow: var(--shadow-lg);
}

.pricing-plan {
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.pricing-price {
    font-size: var(--text-6xl);
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-2);
    line-height: 1;
    letter-spacing: -0.02em;
}

.pricing-period {
    color: var(--text-muted);
    margin-bottom: var(--space-8);
    font-size: var(--text-base);
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--space-8);
    text-align: left;
}

.pricing-features li {
    padding: var(--space-3) 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: var(--space-8);
    border-bottom: 1px solid var(--gray-100);
}

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

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: var(--space-3);
    color: var(--success);
    font-weight: bold;
    width: var(--space-6);
    height: var(--space-6);
    background: rgba(16, 185, 129, 0.1);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-sm);
}

/* FAQ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

/* ============================================
   FAQ ENHANCED
   ============================================ */

.faq-item {
    background: var(--gradient-card);
    border-radius: var(--radius-2xl);
    margin-bottom: var(--space-4);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-200);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: var(--space-6);
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--text-primary);
    transition: all 0.3s ease;
    letter-spacing: -0.01em;
}

.faq-question:hover {
    background: var(--primary-50);
    color: var(--primary-600);
}

.faq-icon {
    font-size: var(--text-2xl);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--primary-500);
    font-weight: 300;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 600px;
}

.faq-answer-content {
    padding: 0 var(--space-6) var(--space-6);
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: var(--text-base);
    font-weight: 400;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--text-inverse);
    padding: var(--space-24) 0 var(--space-8);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(14, 165, 233, 0.2), transparent);
}

.footer::after {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(14, 165, 233, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(217, 70, 239, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    position: relative;
    z-index: 1;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-12);
    margin-bottom: var(--space-16);
}

.footer-section h4 {
    color: var(--text-light);
    margin-bottom: var(--space-6);
    font-size: var(--text-xl);
    font-weight: 700;
    letter-spacing: -0.01em;
}

.footer-section p,
.footer-section a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color 0.3s ease;
    line-height: 1.8;
    font-weight: 400;
}

.footer-section a:hover {
    color: var(--text-light);
    transform: translateX(2px);
    display: inline-block;
}

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

.footer-links li {
    margin-bottom: var(--space-3);
}

.footer-links li a {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-base);
}

.footer-links li a::before {
    content: '→';
    opacity: 0;
    transition: opacity 0.3s ease;
}

.footer-links li a:hover::before {
    opacity: 1;
}

.social-links {
    display: flex;
    gap: var(--space-4);
    margin-top: var(--space-6);
}

.social-link {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: var(--backdrop-blur);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-link:hover {
    background: var(--primary-600);
    transform: translateY(-4px) scale(1.1);
    border-color: var(--primary-500);
    box-shadow: 0 0 20px rgba(14, 165, 233, 0.3);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-8);
    text-align: center;
    color: var(--gray-400);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
    font-weight: 400;
}

.footer-bottom-links {
    display: flex;
    gap: var(--space-6);
    justify-content: center;
    flex-wrap: wrap;
}

.footer-bottom-links a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: var(--text-sm);
    transition: color 0.3s ease;
    font-weight: 500;
}

.footer-bottom-links a:hover {
    color: var(--text-light);
}

/* ============================================
   ANIMATIONS ENHANCED
   ============================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-15px);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(14, 165, 233, 0.2);
    }
    50% {
        box-shadow: 0 0 40px rgba(14, 165, 233, 0.4);
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

.float-animation {
    animation: float 6s ease-in-out infinite;
}

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

.glow-animation {
    animation: glow 3s ease-in-out infinite;
}

/* ============================================
   SECTION STYLES ENHANCED
   ============================================ */

.benefits {
    background: var(--bg-secondary);
}

.how-it-works {
    background: var(--bg-primary);
    position: relative;
}

.how-it-works::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(14, 165, 233, 0.05) 0%, transparent 100%);
    pointer-events: none;
}

.stats {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: var(--text-light);
    padding: var(--space-24) 0;
}

.stats .section-title,
.stats .section-subtitle {
    color: var(--text-light);
}

.testimonials {
    background: var(--bg-primary);
    padding-bottom: var(--space-32);
}

.pricing {
    background: var(--bg-secondary);
}

.faq {
    background: var(--bg-primary);
}

/* ============================================
   STEPS ENHANCEMENT
   ============================================ */

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-12);
    margin-top: var(--space-16);
}

.step {
    text-align: center;
    position: relative;
    padding: var(--space-8);
    border-radius: var(--radius-2xl);
    transition: all 0.4s ease;
}

.step::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.05) 0%, rgba(217, 70, 239, 0.05) 100%);
    border-radius: var(--radius-2xl);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 0;
}

.step:hover::before {
    opacity: 1;
}

.step > * {
    position: relative;
    z-index: 1;
}

.step-number {
    width: 90px;
    height: 90px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-3xl);
    font-weight: 900;
    color: var(--text-light);
    margin: 0 auto var(--space-6);
    position: relative;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    transition: all 0.3s ease;
}

.step:hover .step-number {
    transform: scale(1.15) rotate(5deg);
    box-shadow: var(--shadow-2xl), var(--shadow-glow);
}

.step-number::after {
    content: '';
    position: absolute;
    inset: -6px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    z-index: -1;
    opacity: 0.2;
    filter: blur(12px);
}

.step-title {
    color: var(--text-primary);
    margin-bottom: var(--space-3);
    font-size: var(--text-xl);
    font-weight: 700;
    letter-spacing: -0.01em;
}

.step-description {
    color: var(--text-secondary);
    line-height: 1.8;
    font-weight: 400;
}

/* ============================================
   ADDITIONAL MODERN EFFECTS
   ============================================ */

/* Glow effects on sections */
.section-dark {
    background: var(--bg-dark);
    color: var(--text-inverse);
    position: relative;
}

.section-dark::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 0% 50%, rgba(14, 165, 233, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 100% 50%, rgba(217, 70, 239, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.section-dark .section-title,
.section-dark .section-subtitle {
    color: var(--text-light);
}

.section-dark .card {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: var(--backdrop-blur);
    transition: all 0.4s ease;
}

.section-dark .card:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(14, 165, 233, 0.3);
}

.section-dark .card-title {
    color: var(--text-light);
}

.section-dark .card-description {
    color: var(--gray-300);
}

.section-dark .step-title {
    color: var(--text-light);
}

.section-dark .step-description {
    color: var(--gray-300);
}

/* Signup section */
.signup {
    background: var(--gradient-primary);
    color: var(--text-light);
    position: relative;
    overflow: hidden;
}

.signup::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 0% 0%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 100% 100%, rgba(217, 70, 239, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.signup .section-title,
.signup .section-subtitle {
    color: var(--text-light);
}

.signup-form {
    max-width: 500px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.12);
    padding: var(--space-10);
    border-radius: var(--radius-2xl);
    backdrop-filter: var(--backdrop-blur-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-xl);
    transition: all 0.4s ease;
    position: relative;
    z-index: 1;
}

.signup-form:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: var(--shadow-2xl);
}

.signup-form .form-label {
    color: rgba(255, 255, 255, 0.9);
}

.signup-form .form-input {
    background: rgba(255, 255, 255, 0.95);
    border-color: transparent;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.signup-form .form-input:focus {
    background: var(--bg-primary);
    border-color: var(--primary-500);
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.1);
}

.signup-form .form-input::placeholder {
    color: var(--gray-400);
}

/* ============================================
   IMPROVED RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1024px) {
    :root {
        --space-32: 6rem;
        --space-24: 4rem;
        --space-20: 3rem;
    }
    
    .container {
        padding: 0 var(--space-4);
    }
    
    .header-container {
        padding: 0 var(--space-4);
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .benefits-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-bottom-links {
        order: -1;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-menu {
        display: none;
    }
    
    .language-switcher {
        display: none;
    }
    
    .header-container .btn {
        display: none;
    }
    
    .hero {
        padding: var(--space-24) 0 var(--space-16);
        min-height: 80vh;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .section {
        padding: var(--space-16) 0;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .steps {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
        text-align: center;
    }
    
    .card {
        padding: var(--space-6);
    }
    
    .footer-bottom {
        flex-direction: column;
    }
    
    .footer-bottom-links {
        flex-direction: column;
        gap: var(--space-2);
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 var(--space-3);
    }
    
    .header-container {
        padding: 0 var(--space-3);
    }
    
    .pricing-card {
        padding: var(--space-6);
    }
    
    .step-number {
        width: 70px;
        height: 70px;
        font-size: var(--text-2xl);
    }
    
    .social-links {
        justify-content: center;
    }
}

/* ============================================
   UTILITY CLASSES ENHANCED
   ============================================ */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.w-full { width: 100%; }
.h-full { height: 100%; }

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

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

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }

.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }

/* Dark sections */
.section-dark {
    background: var(--bg-dark);
    color: var(--text-inverse);
}

.section-dark .section-title,
.section-dark .section-subtitle {
    color: var(--text-light);
}

.section-dark .card {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.section-dark .card-title {
    color: var(--text-light);
}

.section-dark .card-description {
    color: var(--gray-300);
}

.section-dark .step-title {
    color: var(--text-light);
}

.section-dark .step-description {
    color: var(--gray-300);
}

/* Signup section */
.signup {
    background: var(--gradient-primary);
    color: var(--text-light);
}

.signup .section-title,
.signup .section-subtitle {
    color: var(--text-light);
}

.signup-form {
    max-width: 500px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.1);
    padding: var(--space-10);
    border-radius: var(--radius-2xl);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.signup-form .form-input {
    background: rgba(255, 255, 255, 0.9);
    border-color: transparent;
}

.signup-form .form-input:focus {
    background: var(--bg-primary);
    border-color: var(--text-light);
}

/* Print styles */
@media print {
    .header,
    .footer,
    .mobile-menu,
    .mobile-overlay,
    .btn,
    .signup {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
        color: #000;
        background: #fff;
    }
    
    .section {
        padding: 1rem 0;
    }
}