:root {
    --primary-color: #2563EB;
    --secondary-color: #0D9488;
    --accent-color: #F59E0B;
    --success-color: #10B981;
    --warning-color: #F59E0B;
    --error-color: #EF4444;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --text-light: #9CA3AF;
    --bg-primary: #FFFFFF;
    --bg-secondary: #F9FAFB;
    --bg-accent: #F3F4F6;
    --border-color: #E5E7EB;
    --border-light: #F3F4F6;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 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);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 600;
    margin-bottom: 16px;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

p {
    margin-bottom: 16px;
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    border: none;
    font-size: 16px;
    transition: all 0.2s ease;
}

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

.btn-primary:hover {
    background-color: #1D4ED8;
}

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

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

.btn-product {
    background-color: var(--secondary-color);
    color: white;
    width: 100%;
}

.btn-product:hover {
    background-color: #0F766E;
}

/* CSS-only Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    border-top: 3px solid var(--primary-color);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    padding: 24px;
    display: block;
}

.cookie-banner-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.cookie-banner-text h3 {
    margin: 0 0 8px 0;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.cookie-banner-text p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.4;
}

.cookie-banner-actions {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
}

.cookie-btn {
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    white-space: nowrap;
}

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

.cookie-btn-primary:hover {
    background-color: #1D4ED8;
}

.cookie-btn-secondary {
    background-color: var(--text-secondary);
    color: white;
}

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

.cookie-btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

/* Cookie Customizer */
.cookie-customizer {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.cookie-customizer-content h4 {
    margin: 0 0 20px 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.cookie-category {
    margin-bottom: 20px;
    padding: 16px;
    background-color: var(--bg-secondary);
    border-radius: 8px;
}

.cookie-category-header {
    margin-bottom: 8px;
}

.cookie-switch {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.cookie-switch input[type="checkbox"] {
    display: none;
}

.cookie-slider {
    position: relative;
    width: 44px;
    height: 24px;
    background-color: #ccc;
    border-radius: 24px;
    transition: background-color 0.2s ease;
    margin-right: 12px;
    flex-shrink: 0;
}

.cookie-slider:before {
    content: "";
    position: absolute;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: white;
    top: 2px;
    left: 2px;
    transition: transform 0.2s ease;
}

.cookie-switch input[type="checkbox"]:checked + .cookie-slider {
    background-color: var(--primary-color);
}

.cookie-switch input[type="checkbox"]:checked + .cookie-slider:before {
    transform: translateX(20px);
}

.cookie-switch input[type="checkbox"]:disabled + .cookie-slider {
    background-color: var(--success-color);
    opacity: 0.7;
}

.cookie-label {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.cookie-description {
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.cookie-customizer-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.cookie-policy-link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.9rem;
    margin-left: auto;
}

.cookie-policy-link:hover {
    text-decoration: underline;
}

/* Responsive Design for Cookie Banner */
@media (max-width: 768px) {
    .cookie-banner {
        padding: 16px;
    }
    
    .cookie-banner-content {
        flex-direction: column;
        align-items: stretch;
        gap: 20px;
    }
    
    .cookie-banner-actions {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .cookie-btn {
        flex: 1;
        min-width: 100px;
    }
    
    .cookie-customizer-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .cookie-policy-link {
        margin-left: 0;
        text-align: center;
        margin-top: 8px;
    }
}

@media (max-width: 480px) {
    .cookie-banner {
        padding: 12px;
    }
    
    .cookie-banner-actions {
        flex-direction: column;
        gap: 8px;
    }
    
    .cookie-btn {
        width: 100%;
        padding: 12px;
    }
    
    .cookie-category {
        padding: 12px;
    }
    
    .cookie-slider {
        width: 40px;
        height: 22px;
    }
    
    .cookie-slider:before {
        width: 18px;
        height: 18px;
    }
    
    .cookie-switch input[type="checkbox"]:checked + .cookie-slider:before {
        transform: translateX(18px);
    }
}

/* Section Spacing */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 48px;
    color: var(--text-primary);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #F0F9FF 0%, #E0F2FE 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(13, 148, 136, 0.05) 100%);
    z-index: 1;
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 80px;
    position: relative;
    z-index: 2;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.brand {
    display: flex;
    align-items: center;
    margin-bottom: 24px;
    padding: 12px 0;
}

.logo {
    width: 56px;
    height: 56px;
    margin-right: 16px;
    filter: drop-shadow(0 2px 4px rgba(37, 99, 235, 0.1));
}

.brand-name {
    font-size: 2.75rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
    letter-spacing: -0.02em;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.hero-title .highlight {
    color: var(--primary-color);
    position: relative;
}

.hero-title .highlight::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
    opacity: 0.3;
}

.hero-description {
    font-size: 1.3rem;
    line-height: 1.6;
    margin-bottom: 40px;
    color: var(--text-secondary);
    max-width: 540px;
}

.hero-cta {
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
}

.hero-cta .btn {
    padding: 16px 32px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.hero-cta .btn-primary {
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.hero-cta .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.hero-cta .btn-secondary {
    background: white;
    border: 2px solid var(--border-color);
    color: var(--text-primary);
}

.hero-cta .btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-1px);
}

.hero-visual-container {
    position: relative;
    width: 100%;
    max-width: 500px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-visual-main {
    width: 320px;
    height: 320px;
    background: linear-gradient(135deg, white 0%, #F8FAFC 100%);
    border-radius: 24px;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.1),
        0 1px 3px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.hero-visual-main::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 26px;
    z-index: -1;
    opacity: 0.1;
}

.hero-visual-accent {
    position: absolute;
    background: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.9);
}

.hero-visual-accent.accent-1 {
    width: 80px;
    height: 80px;
    top: -20px;
    right: -20px;
    background: linear-gradient(135deg, #EFF6FF, #DBEAFE);
}

.hero-visual-accent.accent-2 {
    width: 100px;
    height: 60px;
    bottom: -15px;
    left: -30px;
    background: linear-gradient(135deg, #F0FDF4, #DCFCE7);
}

.hero-visual-accent.accent-3 {
    width: 60px;
    height: 60px;
    top: 50%;
    right: -40px;
    transform: translateY(-50%);
    background: linear-gradient(135deg, #FFFBEB, #FEF3C7);
}

.hero-icon {
    width: 120px;
    height: 120px;
    filter: drop-shadow(0 4px 8px rgba(37, 99, 235, 0.2));
}

.accent-icon {
    width: 32px;
    height: 32px;
    opacity: 0.8;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--border-light);
}

.hero-stat {
    text-align: center;
}

.hero-stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 4px;
}

.hero-stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Features Section */
.features {
    background-color: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.feature-card {
    background: white;
    padding: 32px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 24px;
}

.feature-card h3 {
    margin-bottom: 16px;
    color: var(--text-primary);
}

/* How It Works Section */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 48px;
    height: 48px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    margin: 0 auto 24px;
}

.step-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 24px;
}

/* Benefits Section */
.benefits {
    background-color: var(--bg-secondary);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.benefit-item {
    background: white;
    padding: 32px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
}

.benefit-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 24px;
}

/* Products Section */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.product-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    position: relative;
}

.product-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.02);
}

.product-card.featured::before {
    content: "Most Popular";
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-color);
    color: white;
    padding: 8px 24px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

.product-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 24px;
}

.product-features {
    list-style: none;
    text-align: left;
    margin: 24px 0;
}

.product-features li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    color: var(--text-secondary);
}

.product-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: 600;
}

/* Product Pricing */
.product-price {
    text-align: center;
    margin: 24px 0;
    padding: 16px 0;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.price-period {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-left: 4px;
}

/* Analytics Section */
.analytics {
    background-color: var(--bg-secondary);
}

.analytics-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.analytics-dashboard-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.analytics-features {
    margin-top: 24px;
}

.analytics-feature {
    display: flex;
    align-items: center;
    margin-bottom: 16px;
}

.feature-icon-small {
    width: 24px;
    height: 24px;
    margin-right: 12px;
}

.dashboard-icon {
    width: 120px;
    height: 120px;
}

/* Security Section */
.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.security-feature {
    text-align: center;
    padding: 32px;
}

.security-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 24px;
}

/* Testimonials Section */
.testimonials {
    background-color: var(--bg-secondary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.testimonial-card {
    background: white;
    padding: 32px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
}

.testimonial-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto 24px;
    object-fit: cover;
    border: 3px solid var(--bg-accent);
    box-shadow: var(--shadow);
}

blockquote {
    font-style: italic;
    margin-bottom: 24px;
    font-size: 1.125rem;
    color: var(--text-secondary);
}

cite {
    font-weight: 600;
    color: var(--text-primary);
    font-style: normal;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 24px;
}

.contact-icon {
    width: 24px;
    height: 24px;
    margin-right: 16px;
    margin-top: 4px;
}

.contact-label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.contact-value {
    color: var(--text-secondary);
    text-decoration: none;
}

.contact-value:hover {
    color: var(--primary-color);
}

/* Forms */
.form-group {
    margin-bottom: 24px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
}

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

/* Footer */
.footer {
    background-color: var(--text-primary);
    color: white;
    padding: 48px 0 24px;
}

.footer-content {
    display: flex;
    align-items: center;
    margin-bottom: 32px;
}

.footer-brand {
    display: flex;
    align-items: center;
    margin-right: 32px;
}

.footer-logo {
    width: 32px;
    height: 32px;
    margin-right: 12px;
}

.footer-brand-name {
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-text p {
    color: #D1D5DB;
    margin: 0;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    color: #9CA3AF;
    margin: 0;
}

/* Footer Links */
.footer-links {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 32px;
    padding-top: 32px;
    border-top: 1px solid #374151;
}

.footer-links a {
    color: #D1D5DB;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: white;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    section {
        padding: 48px 0;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero .container {
        flex-direction: column;
        gap: 48px;
        text-align: center;
    }
    
    .hero-content {
        max-width: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .brand-name {
        font-size: 2.25rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
        max-width: none;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }
    
    .hero-cta .btn {
        width: 100%;
        max-width: 280px;
    }
    
    .hero-stats {
        gap: 24px;
        margin-top: 32px;
        padding-top: 24px;
    }
    
    .hero-visual-container {
        max-width: 280px;
    }
    
    .hero-visual-main {
        width: 280px;
        height: 280px;
    }
    
    .hero-visual-accent.accent-1 {
        width: 60px;
        height: 60px;
        top: -15px;
        right: -15px;
    }
    
    .hero-visual-accent.accent-2 {
        width: 80px;
        height: 50px;
        bottom: -10px;
        left: -20px;
    }
    
    .hero-visual-accent.accent-3 {
        width: 50px;
        height: 50px;
        right: -30px;
    }
    
    .accent-icon {
        width: 24px;
        height: 24px;
    }
    
    .analytics-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .footer-brand {
        margin-right: 0;
        margin-bottom: 16px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .product-card.featured {
        transform: none;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}