:root {
    --bg-light: rgb(250, 250, 250);
    --primary-dark: rgb(13, 24, 33);
    --accent-blue: rgba(87, 118, 255, 0.1);
    --accent-blue-solid: rgb(87, 118, 255);
    --accent-orange: rgb(250, 121, 33);
    --accent-orange-light: rgba(250, 121, 33, 0.1);
    --text-gray: rgb(61, 70, 77);
    --text-light: rgba(13, 24, 33, 0.7);
    --white: rgb(255, 255, 255);
    --border-light: rgba(13, 24, 33, 0.1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-light);
    color: var(--primary-dark);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.header {
    background: var(--white);
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav {
    padding: 16px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-dark);
}

.beta-badge {
    background: var(--accent-orange-light);
    color: var(--accent-orange);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-link {
    color: var(--text-gray);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

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

.btn-primary {
    background: var(--primary-dark);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 9999px;
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.2s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--text-gray);
    transform: translateY(-1px);
}

.btn-large {
    padding: 12px 32px;
    font-size: 16px;
}

.hero {
    padding: 80px 0 120px;
    background: var(--bg-light);
    position: relative;
    overflow: hidden;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.logo-large {
    margin-bottom: 32px;
}

.logo-text-large {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-dark);
}

.hero-title {
    font-size: 60px;
    font-weight: 700;
    line-height: 75px;
    color: var(--primary-dark);
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.product-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    padding: 8px 16px;
    border-radius: 24px;
    border: 1px solid var(--border-light);
    margin-top: 32px;
    font-size: 12px;
    font-weight: 600;
}

.badge-icon {
    font-size: 16px;
}

.badge-text {
    color: var(--accent-orange);
    letter-spacing: 0.5px;
}

.badge-subtext {
    color: var(--text-gray);
}

.hero-visual {
    margin-top: 80px;
    position: relative;
    display: flex;
    justify-content: center;
}

.dashboard-preview {
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    max-width: 800px;
    width: 100%;
    position: relative;
    z-index: 2;
}

.dashboard-header {
    background: var(--bg-light);
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border-light);
}

.dashboard-dots {
    display: flex;
    gap: 6px;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-gray);
    opacity: 0.3;
}

.dashboard-url {
    font-size: 12px;
    color: var(--text-gray);
    margin-left: auto;
}

.dashboard-content {
    display: flex;
    min-height: 400px;
}

.dashboard-sidebar {
    width: 250px;
    background: var(--bg-light);
    padding: 24px;
    border-right: 1px solid var(--border-light);
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 14px;
    margin-bottom: 4px;
    cursor: pointer;
    transition: background 0.2s ease;
}

.sidebar-item.active {
    background: var(--accent-blue);
    color: var(--accent-blue-solid);
    font-weight: 500;
}

.sidebar-section {
    margin-top: 24px;
}

.sidebar-section h4 {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-gray);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.dashboard-main {
    flex: 1;
    padding: 32px;
}

.dashboard-main h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 24px;
}

.dashboard-stats {
    background: var(--bg-light);
    border-radius: 8px;
    padding: 20px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-label {
    font-size: 12px;
    color: var(--text-gray);
    font-weight: 500;
}

.stat-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-dark);
}

.stat-time {
    font-size: 12px;
    color: var(--text-light);
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.floating-circle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.6;
}

.floating-circle.blue {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, var(--accent-blue-solid), rgba(87, 118, 255, 0.3));
    top: 10%;
    left: -5%;
    animation: float 6s ease-in-out infinite;
}

.floating-circle.orange {
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, var(--accent-orange), rgba(250, 121, 33, 0.3));
    bottom: 10%;
    right: -5%;
    animation: float 8s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.features-section {
    padding: 120px 0;
    background: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--primary-dark);
    margin-bottom: 24px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 48px;
    max-width: 1000px;
    margin: 0 auto;
}

.feature-item {
    text-align: center;
}

.feature-number {
    display: inline-block;
    background: var(--accent-blue);
    color: var(--accent-blue-solid);
    padding: 4px 12px;
    border-radius: 16px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
}

.feature-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 16px;
}

.feature-description {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 32px;
}

.feature-visual {
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-placeholder {
    width: 80px;
    height: 80px;
    border-radius: 16px;
}

.blue-gradient {
    background: linear-gradient(135deg, var(--accent-blue-solid), rgba(87, 118, 255, 0.6));
}

.orange-gradient {
    background: linear-gradient(135deg, var(--accent-orange), rgba(250, 121, 33, 0.6));
}

.green-gradient {
    background: linear-gradient(135deg, #10B981, rgba(16, 185, 129, 0.6));
}

.purple-gradient {
    background: linear-gradient(135deg, #8B5CF6, rgba(139, 92, 246, 0.6));
}

.cta-section {
    padding: 80px 0;
    background: var(--bg-light);
    text-align: center;
}

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

.cta-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 16px;
}

.cta-subtitle {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 32px;
}

.footer {
    background: var(--primary-dark);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-logo .logo-text {
    color: var(--white);
    font-size: 28px;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    margin-top: 12px;
    line-height: 1.6;
}

.footer-title {
    color: var(--white);
    font-weight: 600;
    margin-bottom: 16px;
}

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

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

.contact-info p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 8px;
    line-height: 1.6;
}

.contact-info a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.2s ease;
}

.contact-info a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 36px;
        line-height: 44px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .nav-container {
        flex-direction: column;
        gap: 16px;
    }
    
    .dashboard-content {
        flex-direction: column;
    }
    
    .dashboard-sidebar {
        width: 100%;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-dark);
    border: 2px solid var(--primary-dark);
    padding: 8px 20px;
    border-radius: 9999px;
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.2s ease;
    display: inline-block;
    cursor: pointer;
}

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

.pricing-hero {
    padding: 80px 0 60px;
    background: var(--bg-light);
    text-align: center;
}

.pricing-title {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 16px;
}

.pricing-subtitle {
    font-size: 18px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.pricing-plans {
    padding: 60px 0;
    background: var(--white);
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.plan-card {
    background: var(--white);
    border: 2px solid var(--border-light);
    border-radius: 16px;
    padding: 32px;
    position: relative;
    transition: all 0.3s ease;
}

.plan-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.plan-card.featured {
    border-color: var(--accent-blue-solid);
    transform: scale(1.05);
}

.plan-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-blue-solid);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.plan-name {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 16px;
}

.plan-price {
    margin-bottom: 32px;
}

.price-amount {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-dark);
}

.price-unit {
    font-size: 16px;
    color: var(--text-light);
    margin-left: 8px;
}

.features-list {
    list-style: none;
    margin-bottom: 32px;
}

.features-list .feature-item {
    padding: 8px 0;
    color: var(--text-gray);
    font-size: 14px;
}

.plan-cta {
    margin-bottom: 24px;
}

.plan-note p {
    font-size: 14px;
    color: var(--text-light);
    text-align: center;
}

.contact-hero {
    padding: 80px 0 60px;
    background: var(--bg-light);
    text-align: center;
}

.contact-form-section {
    padding: 60px 0;
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-title {
    font-size: 32px;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 16px;
}

.contact-description {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 32px;
    line-height: 1.6;
}

.contact-details {
    margin-top: 40px;
}

.details-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 16px;
}

.detail-item {
    margin-bottom: 16px;
    line-height: 1.6;
}

.detail-item strong {
    color: var(--primary-dark);
}

.detail-item a {
    color: var(--accent-blue-solid);
    text-decoration: none;
}

.contact-form {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 16px;
}

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

.form-label {
    display: block;
    font-weight: 500;
    color: var(--primary-dark);
    margin-bottom: 8px;
    font-size: 14px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-light);
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.2s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent-blue-solid);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-submit {
    width: 100%;
}

.success-message {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 16px;
    text-align: center;
}

.success-icon {
    width: 60px;
    height: 60px;
    background: #10B981;
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    margin: 0 auto 24px;
}

.success-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 16px;
}

.success-text {
    color: var(--text-light);
    line-height: 1.6;
}

.features-hero {
    padding: 80px 0 60px;
    background: var(--bg-light);
    text-align: center;
}

.core-features {
    padding: 60px 0;
    background: var(--white);
}

.feature-card {
    background: var(--bg-light);
    padding: 32px;
    border-radius: 16px;
    text-align: center;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 24px;
}

.feature-benefits {
    list-style: none;
    text-align: left;
    margin-top: 24px;
}

.feature-benefits li {
    padding: 4px 0;
    color: var(--text-gray);
    font-size: 14px;
}

.feature-benefits li:before {
    content: "✓ ";
    color: #10B981;
    font-weight: bold;
    margin-right: 8px;
}

.legal-hero {
    padding: 80px 0 60px;
    background: var(--bg-light);
    text-align: center;
}

.legal-content {
    padding: 60px 0;
    background: var(--white);
}

.legal-document {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.legal-document h2 {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-dark);
    margin: 40px 0 16px 0;
}

.legal-document h2:first-child {
    margin-top: 0;
}

.legal-document p {
    margin-bottom: 16px;
    color: var(--text-gray);
}

.legal-document ul {
    margin: 16px 0;
    padding-left: 24px;
}

.legal-document li {
    margin-bottom: 8px;
    color: var(--text-gray);
}

.contact-details {
    background: var(--bg-light);
    padding: 24px;
    border-radius: 8px;
    margin-top: 24px;
}

.product-hero {
    padding: 80px 0 60px;
    background: var(--bg-light);
    text-align: center;
}

.product-overview {
    padding: 80px 0;
    background: var(--white);
}

.overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.key-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 40px;
}

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

.stat-number {
    display: block;
    font-size: 48px;
    font-weight: 700;
    color: var(--accent-blue-solid);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-gray);
    font-weight: 500;
}

.tech-diagram {
    background: var(--bg-light);
    border-radius: 16px;
    padding: 32px;
}

.diagram-layer {
    margin-bottom: 24px;
    padding: 20px;
    background: var(--white);
    border-radius: 12px;
    border-left: 4px solid var(--accent-blue-solid);
}

.diagram-layer:last-child {
    margin-bottom: 0;
}

.layer-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 12px;
}

.layer-items {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.layer-item {
    background: var(--accent-blue);
    color: var(--accent-blue-solid);
    padding: 4px 12px;
    border-radius: 16px;
    font-size: 12px;
    font-weight: 500;
}

.working-principles {
    padding: 80px 0;
    background: var(--bg-light);
}

.principles-header {
    text-align: center;
    margin-bottom: 60px;
}

.principles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.principle-item {
    text-align: center;
    background: var(--white);
    padding: 40px 24px;
    border-radius: 16px;
    transition: transform 0.3s ease;
}

.principle-item:hover {
    transform: translateY(-4px);
}

.principle-icon {
    font-size: 48px;
    margin-bottom: 24px;
}

.principle-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 16px;
}

.principle-description {
    color: var(--text-light);
    line-height: 1.6;
}

.competitive-advantages {
    padding: 80px 0;
    background: var(--white);
}

.advantages-header {
    text-align: center;
    margin-bottom: 60px;
}

.comparison-table {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-light);
    border-radius: 16px;
    overflow: hidden;
}

.comparison-header {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    background: var(--primary-dark);
    color: var(--white);
    font-weight: 600;
    padding: 20px;
}

.comparison-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    padding: 20px;
    border-bottom: 1px solid var(--border-light);
}

.comparison-row:last-child {
    border-bottom: none;
}

.comparison-category {
    font-weight: 600;
    color: var(--primary-dark);
}

.comparison-traditional,
.comparison-windnet {
    display: flex;
    align-items: center;
    gap: 8px;
}

.comparison-icon {
    font-size: 16px;
}

.technology-stack {
    padding: 80px 0;
    background: var(--bg-light);
}

.tech-header {
    text-align: center;
    margin-bottom: 60px;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.tech-item {
    background: var(--white);
    padding: 32px;
    border-radius: 16px;
    text-align: center;
}

.tech-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 16px;
}

.tech-description {
    color: var(--text-light);
    line-height: 1.6;
}

.product-cta {
    padding: 80px 0;
    background: var(--white);
    text-align: center;
}

.pricing-faq {
    padding: 80px 0;
    background: var(--bg-light);
}

.faq-header {
    text-align: center;
    margin-bottom: 60px;
}

.faq-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-dark);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    padding: 32px;
    border-radius: 16px;
}

.faq-question {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 16px;
}

.faq-answer {
    color: var(--text-light);
    line-height: 1.6;
}

.pricing-cta {
    padding: 80px 0;
    background: var(--white);
    text-align: center;
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .plans-grid {
        grid-template-columns: 1fr;
    }
    
    .plan-card.featured {
        transform: none;
    }
    
    .pricing-title {
        font-size: 36px;
    }
    
    .overview-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .key-stats {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .comparison-header,
    .comparison-row {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .comparison-header {
        text-align: center;
    }
    
    .comparison-traditional,
    .comparison-windnet {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 40px 0 60px;
    }
    
    .hero-title {
        font-size: 28px;
        line-height: 36px;
    }
    
    .logo-text-large {
        font-size: 32px;
    }
    
    .container {
        padding: 0 16px;
    }
    
    .contact-form {
        padding: 24px;
    }
    
    .pricing-title {
        font-size: 28px;
    }
    
    .price-amount {
        font-size: 36px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .principles-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
    }
}