:root {
    --primary: #1e3a5f;
    --primary-dark: #152a45;
    --secondary: #3d7eaa;
    --accent: #f39c12;
    --success: #27ae60;
    --dark: #1a1a2e;
    --gray: #6c757d;
    --light: #f8f9fa;
    --white: #ffffff;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background: var(--white);
}

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

a {
    text-decoration: none;
    color: inherit;
}

h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

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

.btn-primary:hover {
    background: #e67e22;
    transform: translateY(-2px);
}

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

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

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

.btn-block {
    width: 100%;
}

.section-badge {
    display: inline-block;
    background: rgba(61, 126, 170, 0.1);
    color: var(--secondary);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: 40px;
    color: var(--primary);
    margin-bottom: 16px;
}

.section-header p {
    font-size: 18px;
    color: var(--gray);
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 18px;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    color: var(--gray);
    font-weight: 500;
    transition: color 0.3s;
}

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

.hero {
    padding: 160px 0 100px;
    background: linear-gradient(135deg, #f8fafc 0%, #e8f4f8 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

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

.hero-badge {
    display: inline-block;
    background: var(--white);
    color: var(--secondary);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
}

.hero h1 {
    font-size: 56px;
    color: var(--primary);
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--gray);
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    font-size: 13px;
    color: var(--gray);
}

.dashboard-preview {
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.preview-header {
    background: #f1f3f4;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.preview-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ddd;
}

.preview-dots span:first-child { background: #ff5f57; }
.preview-dots span:nth-child(2) { background: #ffbd2e; }
.preview-dots span:nth-child(3) { background: #28ca42; }

.preview-title {
    font-size: 13px;
    color: var(--gray);
}

.preview-content {
    padding: 24px;
}

.preview-stat {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid #eee;
}

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

.preview-stat .value {
    font-weight: 700;
    color: var(--primary);
}

.preview-chart {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    height: 100px;
    padding-top: 24px;
}

.chart-bar {
    flex: 1;
    background: linear-gradient(to top, var(--secondary), var(--accent));
    border-radius: 4px 4px 0 0;
    min-height: 20px;
}

.logos {
    padding: 60px 0;
    background: var(--white);
    border-bottom: 1px solid #eee;
}

.logos-label {
    text-align: center;
    color: var(--gray);
    font-size: 14px;
    margin-bottom: 32px;
}

.logos-grid {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

.logo-item {
    font-size: 18px;
    font-weight: 600;
    color: #ccc;
    letter-spacing: 1px;
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--white);
    padding: 32px;
    border-radius: 16px;
    border: 1px solid #eee;
    transition: all 0.3s ease;
}

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

.feature-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    fill: var(--white);
}

.feature-card h3 {
    font-size: 18px;
    color: var(--primary);
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.7;
}

.hardware {
    padding: 120px 0;
    background: var(--primary);
    color: var(--white);
}

.hardware .section-badge {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.hardware .section-header h2 {
    color: var(--white);
}

.hardware .section-header p {
    color: rgba(255, 255, 255, 0.7);
}

.hardware-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.hardware-item {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.hardware-icon {
    width: 48px;
    height: 48px;
    background: var(--accent);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.hardware-icon svg {
    width: 24px;
    height: 24px;
    fill: var(--white);
}

.hardware-info h4 {
    font-size: 18px;
    margin-bottom: 8px;
}

.hardware-info p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.software {
    padding: 120px 0;
    background: #f8fafc;
}

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

.software-features {
    list-style: none;
    margin-top: 24px;
}

.software-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    font-size: 16px;
    color: var(--dark);
}

.software-features svg {
    width: 24px;
    height: 24px;
    fill: var(--success);
}

.browser-mockup {
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.browser-header {
    background: #f1f3f4;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 16px;
}

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

.browser-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ddd;
}

.browser-dots span:first-child { background: #ff5f57; }
.browser-dots span:nth-child(2) { background: #ffbd2e; }
.browser-dots span:nth-child(3) { background: #28ca42; }

.browser-url {
    flex: 1;
    background: var(--white);
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 13px;
    color: var(--gray);
}

.browser-content {
    padding: 40px;
    display: flex;
    gap: 40px;
    justify-content: center;
}

.mock-gate {
    text-align: center;
    padding: 24px 40px;
    background: var(--white);
    border: 2px solid #eee;
    border-radius: 12px;
}

.mock-gate span {
    display: block;
    font-size: 12px;
    font-weight: 700;
    color: var(--gray);
    margin-bottom: 12px;
}

.mock-status {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #ddd;
    margin: 0 auto;
}

.mock-status.active {
    background: var(--success);
    box-shadow: 0 0 12px var(--success);
}

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

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--white);
    border: 2px solid #eee;
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

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

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

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-4px);
}

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

.pricing-header h3 {
    font-size: 24px;
    color: var(--primary);
    margin-bottom: 16px;
}

.price {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary);
}

.price + p {
    color: var(--gray);
    font-size: 14px;
    margin-top: 4px;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin: 32px 0;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    font-size: 15px;
    color: var(--dark);
}

.pricing-features svg {
    width: 20px;
    height: 20px;
    fill: var(--success);
    flex-shrink: 0;
}

.contact {
    padding: 120px 0;
    background: #f8fafc;
}

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

.contact-info h2 {
    font-size: 36px;
    color: var(--primary);
    margin-bottom: 16px;
}

.contact-info > p {
    color: var(--gray);
    margin-bottom: 32px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    fill: var(--white);
}

.contact-item strong {
    display: block;
    font-size: 14px;
    color: var(--dark);
}

.contact-item span {
    font-size: 14px;
    color: var(--gray);
}

.contact-form-wrapper {
    background: var(--white);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #eee;
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    transition: border-color 0.3s;
}

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

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

.footer {
    background: var(--primary);
    color: var(--white);
    padding: 80px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-top: 16px;
    font-size: 14px;
}

.footer-links h4 {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.5);
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    transition: color 0.3s;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 40px;
    text-align: center;
}

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

#contactForm .success-message {
    display: none;
    text-align: center;
    padding: 40px;
}

#contactForm .success-message.show {
    display: block;
}

#contactForm.submitted .form-row,
#contactForm.submitted .form-group:last-of-type,
#contactForm.submitted button[type="submit"] {
    display: none;
}

#contactForm.submitted .success-message {
    display: block;
}

@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero .container,
    .software-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-visual {
        display: none;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
    
    .pricing-card.featured {
        transform: none;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 40px;
    }
    
    .section-header h2 {
        font-size: 32px;
    }
    
    .features-grid,
    .hardware-list {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
}