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

/* CSS Variables */
:root {
    --primary-color: #3B82F6;
    --primary-dark: #1D4ED8;
    --primary-light: #93C5FD;
    --secondary-color: #10B981;
    --secondary-dark: #059669;
    --accent-color: #F59E0B;
    --danger-color: #EF4444;
    --warning-color: #F59E0B;
    --success-color: #10B981;
    
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --text-light: #9CA3AF;
    
    --bg-primary: #FFFFFF;
    --bg-secondary: #F9FAFB;
    --bg-dark: #111827;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    
    --border-color: #E5E7EB;
    --border-radius: 12px;
    --border-radius-lg: 16px;
    
    --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);
    
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    --container-max-width: 1200px;
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.875rem; }
h4 { font-size: 1.25rem; }

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

/* 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-color);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary-color);
}

.nav-logo i {
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-xl);
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #E0F2FE 0%, #BAE6FD 100%);
    color: var(--text-primary);
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><circle cx="200" cy="200" r="2" fill="%233B82F620"/><circle cx="400" cy="100" r="1" fill="%233B82F630"/><circle cx="600" cy="300" r="2" fill="%233B82F620"/><circle cx="800" cy="150" r="1" fill="%233B82F630"/><circle cx="300" cy="400" r="1" fill="%233B82F640"/><circle cx="700" cy="500" r="2" fill="%233B82F620"/></svg>') repeat;
    animation: float 20s linear infinite;
}

@keyframes float {
    0% { transform: translateY(0px) translateX(0px); }
    50% { transform: translateY(-20px) translateX(10px); }
    100% { transform: translateY(0px) translateX(0px); }
}

.hero-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    position: relative;
    z-index: 2;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
    color: var(--text-primary);
}

.highlight {
    background: linear-gradient(45deg, #3B82F6, #1D4ED8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
    color: var(--text-secondary);
}

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

.stat {
    text-align: center;
}

.stat i {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    display: block;
    color: var(--primary-color);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

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

.financial-dashboard {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    animation: dashboardFloat 6s ease-in-out infinite;
}

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

.dashboard-card {
    text-align: center;
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.dashboard-card i {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    display: block;
    color: var(--primary-color);
}

.card-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.card-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--primary-color);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 12px 24px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

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

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

.btn-secondary {
    background: rgba(255, 255, 255, 0.9);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

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

.btn-large {
    padding: 16px 32px;
    font-size: 1.125rem;
}

.btn-disabled {
    background: var(--text-light);
    color: white;
    cursor: not-allowed;
    opacity: 0.6;
}

.btn-disabled:hover {
    transform: none;
    box-shadow: var(--shadow-sm);
}

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

.section-header h2 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Benefits Section */
.benefits {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.benefit-card {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.benefit-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    color: white;
    font-size: 1.5rem;
}

.benefit-card h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.benefit-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Main Tool Section */
.main-tool {
    padding: var(--spacing-3xl) 0;
}

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

.tool-info h2 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.tool-description {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
    color: var(--text-secondary);
}

.tool-features {
    margin-bottom: var(--spacing-xl);
}

.feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
}

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

.tool-preview {
    display: flex;
    justify-content: center;
}

.preview-screen {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
    max-width: 400px;
    width: 100%;
}

.screen-header {
    background: var(--bg-secondary);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.screen-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.btn-close,
.btn-minimize,
.btn-maximize {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.btn-close { background: #FF5F57; }
.btn-minimize { background: #FFBD2E; }
.btn-maximize { background: #28CA42; }

.screen-content {
    padding: var(--spacing-xl);
}

.preview-dashboard {
    text-align: center;
}

.preview-metric {
    margin-bottom: var(--spacing-xl);
}

.metric-circle {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.metric-circle.excellent {
    background: linear-gradient(135deg, var(--success-color), #059669);
}

.preview-charts {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: var(--spacing-md);
}

.chart-item {
    text-align: center;
    flex: 1;
}

.chart-bar {
    background: linear-gradient(to top, var(--primary-color), var(--primary-light));
    border-radius: 4px 4px 0 0;
    margin-bottom: var(--spacing-sm);
    min-height: 20px;
    animation: chartGrow 2s ease-out;
}

@keyframes chartGrow {
    from { height: 0; }
    to { height: 100%; }
}

.chart-item span {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Calculators Section */
.calculators {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.calculators-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.calculator-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
}

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

.calculator-card.featured {
    border: 2px solid var(--primary-color);
    background: linear-gradient(135deg, var(--primary-color)05, var(--primary-light)10);
}

.calculator-card.coming-soon {
    opacity: 0.7;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
}

.card-header i {
    font-size: 2rem;
    color: var(--primary-color);
}

.badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge:not(.coming) {
    background: var(--primary-color);
    color: white;
}

.badge.coming {
    background: var(--warning-color);
    color: white;
}

.calculator-card h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.calculator-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.card-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.card-features span {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.card-features i {
    color: var(--success-color);
    font-size: 1rem;
}

/* Testimonials Section */
.testimonials {
    padding: var(--spacing-3xl) 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.testimonial-card {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.testimonial-content {
    margin-bottom: var(--spacing-lg);
}

.testimonial-content p {
    font-style: italic;
    color: var(--text-primary);
    font-size: 1.125rem;
    line-height: 1.6;
}

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

.author-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.author-info h4 {
    color: var(--text-primary);
    margin-bottom: 4px;
}

.author-info span {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.testimonial-rating {
    color: var(--accent-color);
}

/* CTA Section */
.cta {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #E0F2FE 0%, #BAE6FD 100%);
    color: var(--text-primary);
    text-align: center;
    border-top: 1px solid var(--border-color);
    position: relative;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><circle cx="200" cy="200" r="2" fill="%233B82F620"/><circle cx="400" cy="100" r="1" fill="%233B82F630"/><circle cx="600" cy="300" r="2" fill="%233B82F620"/><circle cx="800" cy="150" r="1" fill="%233B82F630"/></svg>') repeat;
    animation: float 20s linear infinite;
    z-index: 1;
}

.cta > * {
    position: relative;
    z-index: 2;
}

.cta h2 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.cta p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    color: var(--text-secondary);
}

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

.cta .btn-secondary {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.cta .btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.footer-logo i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.footer-section p {
    color: #D1D5DB;
    margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
    color: white;
    margin-bottom: var(--spacing-lg);
}

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

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

.footer-section ul li a {
    color: #D1D5DB;
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: #D1D5DB;
}

.contact-info i {
    color: var(--primary-color);
    width: 20px;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: var(--spacing-lg);
    text-align: center;
    color: #9CA3AF;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: flex-end;
        justify-content: flex-start;
        gap: 1.5rem;
        padding: 2rem 2rem 0 0;
        transition: left 0.3s ease;
        z-index: 999;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .tool-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .financial-dashboard {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid,
    .calculators-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.875rem; }
    h3 { font-size: 1.5rem; }
    
    .container {
        padding: 0 var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .calculators-grid {
        gap: var(--spacing-lg);
    }
    
    .calculator-card {
        padding: var(--spacing-lg);
    }
}