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

:root {
    --primary-bg: #090D1F;
    --secondary-bg: #121938;
    --accent-dark: #271126;
    --accent-cyan: #18E0C8;
    --accent-pink: #FF6B93;
    --accent-green: #62FFAC;
    --text-primary: #FFFFFF;
    --text-secondary: rgba(255, 255, 255, 0.74);
    --text-tertiary: rgba(255, 255, 255, 0.5);
    --container-width: 1200px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, var(--primary-bg), var(--secondary-bg), var(--accent-dark));
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background: rgba(12, 17, 33, 0.88);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
}

.nav-brand h1 {
    font-size: 24px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: color 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-cyan);
}

/* Hero Section */
.hero {
    padding: 120px 20px;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    background: rgba(24, 224, 200, 0.15);
    border: 1px solid rgba(24, 224, 200, 0.3);
    color: var(--accent-cyan);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-content h1 {
    font-size: 72px;
    font-weight: 900;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero .subtitle {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.hero .description {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 48px;
    line-height: 1.8;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 600px;
    margin: 48px auto 0;
    padding-top: 48px;
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.stat strong {
    font-size: 32px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat span {
    font-size: 14px;
    color: var(--text-secondary);
}


.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 14px 32px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-green));
    color: #000;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(24, 224, 200, 0.4);
}

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

.btn-secondary:hover {
    background: rgba(24, 224, 200, 0.1);
}

/* Features Section */
.features {
    padding: 80px 20px;
    background: rgba(255, 255, 255, 0.02);
    border-top: 1px solid rgba(24, 224, 200, 0.2);
}

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

.section-header h2 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 12px;
}

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

.features h2 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 60px;
    text-align: center;
}

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

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    background: rgba(24, 224, 200, 0.08);
    border-color: rgba(24, 224, 200, 0.3);
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 20px;
}

.feature-list {
    list-style: none;
    text-align: left;
}

.feature-list li {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 10px;
    padding-left: 24px;
    position: relative;
}

.feature-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-weight: bold;
}


/* Use Cases Section */
.use-cases {
    padding: 80px 20px;
    background: rgba(255, 255, 255, 0.02);
    border-top: 1px solid rgba(24, 224, 200, 0.2);
}

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

.use-case-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    transition: all 0.3s ease;
}

.use-case-card:hover {
    background: rgba(98, 255, 172, 0.08);
    border-color: rgba(98, 255, 172, 0.3);
    transform: translateY(-4px);
}

.use-case-icon {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
}

.use-case-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
}

.use-case-card p {
    color: var(--text-secondary);
    font-size: 16px;
}

/* Tech Stack Section */
.tech-stack {
    padding: 80px 20px;
    background: rgba(255, 255, 255, 0.02);
    border-top: 1px solid rgba(24, 224, 200, 0.2);
}

.tech-stack h2 {
    font-size: 44px;
    font-weight: 800;
    margin-bottom: 60px;
    text-align: center;
}

.tech-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.tech-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(24, 224, 200, 0.2);
    border-radius: 12px;
    padding: 28px;
    text-align: center;
}

.tech-item strong {
    display: block;
    font-size: 18px;
    font-weight: 700;
    color: var(--accent-cyan);
    margin-bottom: 8px;
}

.tech-item span {
    display: block;
    font-size: 14px;
    color: var(--text-secondary);
}

/* Notice Section - Updated */
.notice {
    padding: 80px 20px;
    background: rgba(255, 107, 147, 0.05);
    border-top: 2px solid rgba(255, 107, 147, 0.2);
}

.notice .container {
    max-width: 1200px;
}

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

.notice-item {
    background: rgba(255, 107, 147, 0.08);
    border: 1px solid rgba(255, 107, 147, 0.2);
    border-left: 4px solid var(--accent-pink);
    border-radius: 12px;
    padding: 28px;
}

.notice-item h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--accent-pink);
    margin-bottom: 12px;
}

.notice-item p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 0;
}

.notice-item a {
    color: var(--accent-cyan);
    text-decoration: none;
}

.notice-item a:hover {
    text-decoration: underline;
}

/* CTA Section */
.cta-section {
    padding: 100px 20px;
    background: linear-gradient(135deg, rgba(24, 224, 200, 0.05), rgba(98, 255, 172, 0.05));
    border-top: 1px solid rgba(24, 224, 200, 0.2);
    text-align: center;
}

.cta-section h2 {
    font-size: 44px;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.system-req {
    font-size: 14px;
    color: var(--text-tertiary);
    margin-top: 32px;
}


/* Content Section */
.content-section {
    padding: 60px 20px;
    min-height: 80vh;
}

.content-section h1 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 8px;
}

.content-section h2 {
    font-size: 28px;
    font-weight: 700;
    margin-top: 40px;
    margin-bottom: 20px;
    color: var(--accent-cyan);
}

.content-section h3 {
    font-size: 20px;
    font-weight: 700;
    margin-top: 24px;
    margin-bottom: 16px;
}

.content-section p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.8;
}

.content-section ul,
.content-section ol {
    margin-left: 24px;
    margin-bottom: 24px;
}

.content-section li {
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-size: 16px;
}

.content-section a {
    color: var(--accent-cyan);
    text-decoration: none;
}

.content-section a:hover {
    text-decoration: underline;
}

.last-updated {
    color: var(--text-tertiary);
    font-size: 14px;
    margin-bottom: 32px;
}

/* Contact Page */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    margin: 60px 0;
}

.contact-info h2,
.contact-form h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 32px;
}

.contact-item {
    margin-bottom: 32px;
}

.contact-item h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--accent-cyan);
}

.contact-item p {
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.contact-item a {
    color: var(--accent-cyan);
}

.small {
    font-size: 14px;
    color: var(--text-tertiary);
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(24, 224, 200, 0.3);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-cyan);
    background: rgba(24, 224, 200, 0.08);
}

.form-group textarea {
    resize: vertical;
}

/* FAQ Section */
.faq-section {
    margin-top: 80px;
    padding-top: 60px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-section h2 {
    font-size: 36px;
    margin-bottom: 40px;
}

.faq-item {
    background: rgba(255, 255, 255, 0.03);
    border-left: 4px solid var(--accent-cyan);
    padding: 24px;
    margin-bottom: 24px;
    border-radius: 8px;
}

.faq-item h3 {
    color: var(--accent-cyan);
    margin: 0 0 12px 0;
}

.faq-item p {
    margin-bottom: 0;
}

/* Footer */
.footer {
    background: rgba(12, 17, 33, 0.8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 60px 20px 40px;
    margin-top: 80px;
}

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

.footer-section h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--accent-cyan);
}

.footer-section p {
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-size: 15px;
}

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

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

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--accent-cyan);
}

.footer .container {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 32px;
    text-align: center;
    color: var(--text-tertiary);
    font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        gap: 16px;
        font-size: 12px;
    }

    .hero-content h1 {
        font-size: 42px;
    }

    .hero .subtitle {
        font-size: 20px;
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }

    .features h2,
    .section-header h2,
    .tech-stack h2,
    .cta-section h2 {
        font-size: 32px;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .features-grid,
    .use-cases-grid,
    .tech-items,
    .notice-grid {
        grid-template-columns: 1fr;
    }

    .content-section h1 {
        font-size: 32px;
    }

    .content-section h2 {
        font-size: 22px;
    }
}