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

:root {
    /* Primary Colors */
    --primary: #0891b2;
    --primary-dark: #0e7490;
    --primary-light: #22d3ee;
    
    /* Secondary Colors */
    --secondary: #7c3aed;
    --secondary-dark: #6d28d9;
    
    /* Accent Colors */
    --accent: #f59e0b;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0891b2 0%, #06b6d4 100%);
    --gradient-secondary: linear-gradient(135deg, #7c3aed 0%, #8b5cf6 100%);
    --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #0891b2 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Font Sizes */
    --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;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    overflow-x: hidden;
}

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

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: var(--text-base);
    font-weight: 600;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

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

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 14px 0 rgba(8, 145, 178, 0.39);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(8, 145, 178, 0.5);
}

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

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

.btn-secondary:hover {
    background: var(--gray-50);
    transform: translateY(-2px);
}

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

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

.btn-large {
    padding: 1rem 2rem;
    font-size: var(--text-lg);
}

.btn-full {
    width: 100%;
}

/* ==========================================
   BADGES
   ========================================== */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--primary);
    background: rgba(8, 145, 178, 0.1);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ==========================================
   HEADER & NAVIGATION
   ========================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.nav {
    padding: var(--spacing-md) 0;
}

.nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--gray-900);
}

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

.logo-text {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--gray-900);
}

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

.nav-link {
    color: var(--gray-600);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.nav-cta {
    margin-left: var(--spacing-lg);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    transition: all var(--transition-base);
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    position: relative;
    padding: 160px 0 100px;
    background: var(--gradient-hero);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    animation: float 20s linear infinite;
}

@keyframes float {
    0% { transform: translateY(0); }
    100% { transform: translateY(-60px); }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text .badge {
    margin-bottom: var(--spacing-lg);
    background: rgba(8, 145, 178, 0.2);
    color: var(--white);
    backdrop-filter: blur(10px);
}

.hero h1 {
    font-size: var(--text-5xl);
    font-weight: 800;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: var(--spacing-lg);
}

.hero h1 .highlight {
    background: linear-gradient(135deg, #22d3ee 0%, #06b6d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

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

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--text-3xl);
    font-weight: 800;
    color: var(--white);
}

.stat-label {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.8);
}

/* Hero Image - Preview Grid */
.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.preview-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    max-width: 500px;
    animation: floatPreview 6s ease-in-out infinite;
}

@keyframes floatPreview {
    0%, 100% { transform: translateY(0) rotate(-1deg); }
    50% { transform: translateY(-15px) rotate(1deg); }
}

.preview-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.preview-header {
    padding: var(--spacing-sm);
    background: var(--gray-100);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    border-bottom: 1px solid var(--gray-200);
}

.preview-logo {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--text-sm);
    color: var(--white);
}

.preview-gmail .preview-logo {
    background: #ea4335;
}

.preview-outlook .preview-logo {
    background: #0078d4;
}

.preview-apple .preview-logo {
    background: #000;
}

.preview-title {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--gray-700);
}

.preview-body {
    padding: var(--spacing-md);
}

.preview-subject {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.preview-lines {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.preview-line {
    height: 8px;
    background: var(--gray-200);
    border-radius: var(--radius-sm);
    width: 100%;
}

.preview-line.short {
    width: 70%;
}

/* Floating Badges */
.floating-badge {
    position: absolute;
    background: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    animation: floatBadge 4s ease-in-out infinite;
}

.badge-1 {
    top: 5%;
    left: -30px;
    animation-delay: 0s;
}

.badge-2 {
    bottom: 15%;
    right: -30px;
    animation-delay: 2s;
}

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

.floating-badge span {
    font-size: 1.25rem;
}

.floating-badge p {
    font-weight: 600;
    color: var(--gray-800);
    font-size: var(--text-sm);
}

/* Hero Wave */
.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    line-height: 0;
}

.hero-wave svg {
    width: 100%;
    height: auto;
}

/* ==========================================
   TRUST BADGES
   ========================================== */
.trust-badges {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.trust-badges .container {
    text-align: center;
}

.trust-text {
    font-size: var(--text-sm);
    color: var(--gray-500);
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badges {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    flex-wrap: wrap;
}

.badge-item {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--gray-400);
    opacity: 0.6;
}

/* ==========================================
   SECTION STYLES
   ========================================== */
section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header .badge {
    margin-bottom: var(--spacing-md);
}

.section-header h2 {
    font-size: var(--text-4xl);
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: var(--text-lg);
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================
   FEATURES SECTION
   ========================================== */
.features {
    background: var(--gray-50);
}

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

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

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

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--gray-600);
}

/* ==========================================
   CLIENTS SECTION
   ========================================== */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.client-category {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.client-category h3 {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-lg);
}

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

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

.client-item:hover {
    background: var(--gray-50);
}

.client-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--text-sm);
    color: var(--white);
    background: var(--gradient-primary);
}

.client-name {
    font-weight: 600;
    color: var(--gray-700);
}

/* ==========================================
   DEMO SECTION
   ========================================== */
.demo {
    background: var(--gray-50);
}

.demo-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

.demo-step {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    color: var(--white);
    font-size: var(--text-2xl);
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
}

.step-content h3 {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.step-content p {
    color: var(--gray-600);
}

/* ==========================================
   PRICING SECTION
   ========================================== */
.pricing {
    background: var(--white);
}

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

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

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

.pricing-card.featured {
    border: 2px solid var(--primary);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-5px);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: var(--white);
    padding: 0.25rem 1rem;
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    white-space: nowrap;
}

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

.pricing-header h3 {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.pricing-subtitle {
    color: var(--gray-600);
    font-size: var(--text-sm);
    margin-bottom: var(--spacing-md);
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
}

.currency {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--gray-700);
}

.amount {
    font-size: var(--text-4xl);
    font-weight: 800;
    color: var(--gray-900);
}

.period {
    font-size: var(--text-base);
    color: var(--gray-600);
}

.discount {
    font-size: var(--text-xs);
    color: var(--success);
    font-weight: 600;
    margin-top: var(--spacing-sm);
}

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

.feature-item {
    padding: var(--spacing-sm) 0;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.feature-item.disabled {
    color: var(--gray-400);
    text-decoration: line-through;
}

.pricing-guarantee {
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: rgba(16, 185, 129, 0.1);
    border-radius: var(--radius-lg);
}

.guarantee-icon {
    font-size: 2rem;
}

.pricing-guarantee p {
    color: var(--gray-700);
}

/* ==========================================
   TEST SECTION
   ========================================== */
.test-section {
    background: var(--gradient-primary);
    padding: var(--spacing-3xl) 0;
}

.test-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.test-text .badge {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    backdrop-filter: blur(10px);
    margin-bottom: var(--spacing-lg);
}

.test-text h2 {
    font-size: var(--text-4xl);
    font-weight: 800;
    color: var(--white);
    margin-bottom: var(--spacing-lg);
}

.test-description {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
}

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

.test-benefit {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--white);
}

.test-benefit span {
    font-size: 1.25rem;
}

.test-benefit p {
    font-weight: 600;
}

.test-form {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

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

.form-group input {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    transition: border-color var(--transition-fast);
}

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

.form-note {
    text-align: center;
    color: var(--gray-600);
    font-size: var(--text-sm);
    margin-top: var(--spacing-md);
}

.form-note a {
    color: var(--primary);
    text-decoration: underline;
}

/* ==========================================
   TESTIMONIALS SECTION
   ========================================== */
.testimonials {
    background: var(--white);
}

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

.testimonial-card {
    background: var(--gray-50);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

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

.testimonial-rating {
    font-size: var(--text-lg);
    margin-bottom: var(--spacing-md);
}

.testimonial-text {
    color: var(--gray-700);
    font-style: italic;
    margin-bottom: var(--spacing-lg);
}

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

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

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    color: var(--gray-900);
}

.author-role {
    font-size: var(--text-sm);
    color: var(--gray-600);
}

/* ==========================================
   FAQ SECTION
   ========================================== */
.faq {
    background: var(--gray-50);
}

.faq-grid {
    display: grid;
    gap: var(--spacing-md);
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    padding: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.faq-question:hover {
    background: var(--gray-50);
}

.faq-question span:first-child {
    font-weight: 600;
    color: var(--gray-900);
}

.faq-icon {
    font-size: var(--text-xl);
    color: var(--primary);
    transition: transform var(--transition-base);
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base), padding var(--transition-base);
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.faq-answer p {
    color: var(--gray-600);
}

/* ==========================================
   CTA SECTION
   ========================================== */
.cta-section {
    background: var(--gradient-hero);
    text-align: center;
}

.cta-content h2 {
    font-size: var(--text-4xl);
    font-weight: 800;
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.cta-content > p {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.cta-section .btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--white);
    color: var(--white);
}

.cta-section .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
}

.cta-note {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--text-sm);
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    background: var(--gray-900);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    margin-bottom: var(--spacing-md);
}

.footer-logo .logo-text {
    color: var(--white);
}

.footer-description {
    color: var(--gray-400);
    margin-bottom: var(--spacing-lg);
    max-width: 300px;
}

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

.social-links a {
    font-size: 1.5rem;
    transition: transform var(--transition-fast);
}

.social-links a:hover {
    transform: scale(1.2);
}

.footer-col h4 {
    color: var(--white);
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

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

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

.footer-col a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

.footer-col a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-bottom p {
    color: var(--gray-500);
    font-size: var(--text-sm);
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .test-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .test-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .test-benefits {
        align-items: center;
    }
    
    .demo-steps {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --text-5xl: 2.25rem;
        --text-4xl: 1.875rem;
        --text-3xl: 1.5rem;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-cta {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .hero {
        padding: 140px 0 80px;
    }
    
    .hero-image {
        display: none;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .badges {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .section-header h2 {
        font-size: var(--text-2xl);
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-5px);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    section {
        padding: var(--spacing-2xl) 0;
    }
    
    .hero h1 {
        font-size: var(--text-3xl);
    }
    
    .hero-description {
        font-size: var(--text-base);
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
}

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

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

/* ==========================================
   UTILITY CLASSES
   ========================================== */
.text-center {
    text-align: center;
}

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

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

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

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }
.p-4 { padding: var(--spacing-xl); }