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

:root {
    --color-primary: #6366F1;
    --color-primary-dark: #4F46E5;
    --color-secondary: #8B5CF6;
    --color-accent: #06B6D4;
    --color-text: #1F2937;
    --color-text-light: #6B7280;
    --color-bg: #FFFFFF;
    --color-bg-light: #F9FAFB;
    --color-bg-accent: #F3F4F6;
    --color-border: #E5E7EB;
    --color-success: #10B981;

    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    --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);

    --transition: all 0.2s ease;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Header */
.header {
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(8px);
    background-color: rgba(255, 255, 255, 0.95);
}

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

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img {
    height: 32px;
    width: auto;
}

.nav {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    color: var(--color-text-light);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: var(--transition);
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--color-primary);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: var(--spacing-3xl) 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.025em;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
    font-weight: 400;
}

/* Features Section */
.features {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-bg-light);
}

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

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

.feature-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.feature-icon {
    margin-bottom: var(--spacing-md);
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.feature-description {
    color: var(--color-text-light);
    line-height: 1.7;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9375rem;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-align: center;
    font-family: inherit;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--color-bg);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.0625rem;
}

/* Hero CTA Button */
.hero-cta {
    display: inline-block;
    background-color: #ffffff;
    color: #4f46e5;
    font-weight: 600;
    padding: 0.9rem 2rem;
    border-radius: 9999px;
    border: none;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    text-decoration: none;
    cursor: pointer;
    text-align: center;
    font-family: inherit;
    font-size: 1.0625rem;
    transition: background-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
}

.hero-cta:hover {
    background-color: #eef0ff;
    transform: translateY(-1px);
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.18);
}

.hero-cta:focus-visible {
    outline: 2px solid #4f46e5;
    outline-offset: 3px;
}

/* Pricing Section */
.pricing-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-bg-light);
}

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

.pricing-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.pricing-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1400px;
    margin: 0 auto;
}

.pricing-card {
    background-color: var(--color-bg);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--color-border);
    display: flex;
    flex-direction: column;
    position: relative;
    transition: var(--transition);
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.pricing-card-featured {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-primary);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-card-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.pricing-card-price {
    margin-bottom: var(--spacing-md);
}

.price-amount {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text);
    display: block;
}

.price-period {
    font-size: 0.875rem;
    color: var(--color-text-light);
    display: block;
    margin-top: 0.25rem;
}

.pricing-card-description {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    flex-grow: 1;
    line-height: 1.6;
}

.pricing-card .btn {
    width: 100%;
    margin-top: auto;
}

/* Contact Section */
.contact-section {
    padding: var(--spacing-3xl) 0;
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.contact-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.contact-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light);
}

.contact-form {
    background-color: var(--color-bg-light);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

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

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-text);
    font-size: 0.9375rem;
}

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

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background-color: var(--color-bg);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

/* Legal Pages */
.legal-section {
    padding: var(--spacing-3xl) 0;
}

.legal-section h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.legal-updated {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    font-style: italic;
}

.legal-section h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.legal-section h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.legal-section p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
    color: var(--color-text);
}

.legal-section ul,
.legal-section ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

.legal-section li {
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
    color: var(--color-text);
}

.legal-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-lg) 0;
    box-shadow: var(--shadow-sm);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.legal-table thead {
    background-color: var(--color-bg-accent);
}

.legal-table th,
.legal-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.legal-table th {
    font-weight: 600;
    color: var(--color-text);
}

.legal-table tbody tr:last-child td {
    border-bottom: none;
}

.legal-table tbody tr:hover {
    background-color: var(--color-bg-light);
}

/* Footer */
.footer {
    background-color: var(--color-bg-accent);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-2xl) 0;
    margin-top: var(--spacing-3xl);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-copyright {
    color: var(--color-text-light);
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-link {
    color: var(--color-text-light);
    text-decoration: none;
    font-size: 0.875rem;
    transition: var(--transition);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero {
        padding: var(--spacing-2xl) 0;
    }

    .features,
    .pricing-section,
    .contact-section,
    .legal-section {
        padding: var(--spacing-2xl) 0;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .pricing-title,
    .contact-title {
        font-size: 2rem;
    }

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

    .nav-link {
        font-size: 0.875rem;
    }

    .container,
    .container-narrow {
        padding: 0 var(--spacing-md);
    }

    .contact-form {
        padding: var(--spacing-lg);
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }

    .pricing-title,
    .contact-title {
        font-size: 1.75rem;
    }

    .legal-section h1 {
        font-size: 2rem;
    }
}