/* CityNoise.tech - Liquid Glass Design */

:root {
    --glass-white: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: rgba(0, 0, 0, 0.1);
    --primary: #3b82f6;
    --accent: #8b5cf6;
    --success: #10b981;
    --radius-soft: 1rem;
    --radius-full: 9999px;
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fluid: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1f2937;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-attachment: fixed;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }

/* Navigation */
.glass-nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    backdrop-filter: blur(20px) saturate(180%);
    background: rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 4px 24px var(--glass-shadow);
}

.nav-content { display: flex; align-items: center; justify-content: space-between; padding: 1.5rem 0; }
.logo { display: flex; align-items: center; gap: 0.5rem; font-size: 1.25rem; font-weight: 700; color: white; text-decoration: none; transition: all var(--transition-smooth); }
.logo:hover { transform: translateY(-2px); }
.logo-icon { font-size: 1.5rem; }
.nav-links { display: flex; align-items: center; gap: 1.5rem; }
.nav-link { color: rgba(255, 255, 255, 0.9); text-decoration: none; padding: 0.5rem 1.5rem; border-radius: var(--radius-soft); transition: all var(--transition-smooth); font-weight: 500; }
.nav-link:hover, .nav-link.active { background: rgba(255, 255, 255, 0.15); backdrop-filter: blur(10px); }

.mobile-menu-btn { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.mobile-menu-btn span { width: 25px; height: 3px; background: white; border-radius: var(--radius-full); }

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-block; padding: 1rem 2rem; border-radius: var(--radius-soft);
    text-decoration: none; font-weight: 600; transition: all var(--transition-smooth);
    border: none; cursor: pointer; font-size: 1rem;
}
.btn-primary { background: rgba(255, 255, 255, 0.2); backdrop-filter: blur(10px); color: white; border: 1px solid var(--glass-border); box-shadow: 0 4px 12px var(--glass-shadow); }
.btn-primary:hover { background: rgba(255, 255, 255, 0.3); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2), inset 0 0 20px rgba(255, 255, 255, 0.15); }
.btn-secondary { background: transparent; color: white; border: 2px solid rgba(255, 255, 255, 0.3); }
.btn-secondary:hover { background: rgba(255, 255, 255, 0.1); backdrop-filter: blur(10px); }
.btn-large { padding: 1.25rem 3rem; font-size: 1.125rem; }
.btn-full { width: 100%; }

/* Hero */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; padding-top: 100px; }
.hero-content { position: relative; z-index: 10; text-align: center; max-width: 900px; margin: 0 auto; }
.badge { display: inline-block; padding: 0.5rem 1.5rem; background: rgba(255, 255, 255, 0.15); backdrop-filter: blur(10px); border: 1px solid var(--glass-border); border-radius: var(--radius-full); color: white; font-size: 0.875rem; font-weight: 600; margin-bottom: 1.5rem; }
.hero-title { font-size: clamp(2.5rem, 6vw, 4rem); font-weight: 800; color: white; margin-bottom: 1.5rem; line-height: 1.2; }
.gradient-text { background: linear-gradient(135deg, #ffffff, #a5b4fc); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-description { font-size: 1.25rem; color: rgba(255, 255, 255, 0.9); margin-bottom: 3rem; max-width: 700px; margin-left: auto; margin-right: auto; }
.hero-actions { display: flex; gap: 1.5rem; justify-content: center; flex-wrap: wrap; margin-bottom: 4rem; }
.hero-stats { display: flex; gap: 3rem; justify-content: center; margin-top: 4rem; flex-wrap: wrap; }
.stat-item { text-align: center; }
.stat-value { font-size: 2.5rem; font-weight: 800; color: white; }
.stat-label { color: rgba(255, 255, 255, 0.8); font-size: 0.875rem; margin-top: 0.5rem; }

/* Sections */
.features, .use-cases, .cta, .content-section { padding: 4rem 0; }
.section-header { text-align: center; margin-bottom: 4rem; }
.section-title { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; color: white; margin-bottom: 1rem; }
.section-description { font-size: 1.125rem; color: rgba(255, 255, 255, 0.8); }

/* Feature Cards */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.feature-card { padding: 3rem; background: rgba(255, 255, 255, 0.1); backdrop-filter: blur(20px) saturate(180%); border: 1px solid var(--glass-border); border-radius: var(--radius-soft); transition: all var(--transition-fluid); }
.feature-card:hover { transform: translateY(-8px); background: rgba(255, 255, 255, 0.15); box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2), inset 0 0 30px rgba(255, 255, 255, 0.1); }
.feature-icon { font-size: 3rem; margin-bottom: 1.5rem; }
.feature-card h3 { font-size: 1.5rem; color: white; margin-bottom: 1rem; }
.feature-card p { color: rgba(255, 255, 255, 0.8); line-height: 1.7; }

/* Use Cases */
.use-cases-grid { display: grid; gap: 3rem; }
.use-case-card { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; background: rgba(255, 255, 255, 0.1); backdrop-filter: blur(20px); border: 1px solid var(--glass-border); border-radius: var(--radius-soft); overflow: hidden; transition: all var(--transition-fluid); }
.use-case-card:hover { transform: translateY(-5px); box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2); }
.use-case-image { height: 100%; min-height: 400px; background-size: cover; background-position: center; border-radius: var(--radius-soft); }
.use-case-image.municipal { background: linear-gradient(rgba(59, 130, 246, 0.3), rgba(59, 130, 246, 0.6)), url('data:image/svg+xml,<svg width="400" height="400" xmlns="http://www.w3.org/2000/svg"><rect width="400" height="400" fill="%233b82f6"/><text x="200" y="200" font-size="80" fill="white" text-anchor="middle" dy=".3em">🏙️</text></svg>'); }
.use-case-image.campus { background: linear-gradient(rgba(139, 92, 246, 0.3), rgba(139, 92, 246, 0.6)), url('data:image/svg+xml,<svg width="400" height="400" xmlns="http://www.w3.org/2000/svg"><rect width="400" height="400" fill="%238b5cf6"/><text x="200" y="200" font-size="80" fill="white" text-anchor="middle" dy=".3em">🎓</text></svg>'); }
.use-case-content { padding: 3rem; display: flex; flex-direction: column; justify-content: center; }
.use-case-content h3 { font-size: 2rem; color: white; margin-bottom: 1.5rem; }
.use-case-content > p { color: rgba(255, 255, 255, 0.9); margin-bottom: 1.5rem; }
.use-case-content ul { list-style: none; margin-bottom: 2rem; }
.use-case-content li { color: rgba(255, 255, 255, 0.8); padding: 0.5rem 0; padding-left: 1.5rem; position: relative; }
.use-case-content li::before { content: "✓"; position: absolute; left: 0; color: var(--success); font-weight: bold; }
.link-arrow { color: white; text-decoration: none; font-weight: 600; transition: all var(--transition-smooth); display: inline-block; }
.link-arrow:hover { transform: translateX(5px); }

/* CTA */
.cta-content { text-align: center; max-width: 800px; margin: 0 auto; }
.cta-content h2 { font-size: clamp(2rem, 4vw, 3rem); color: white; margin-bottom: 1.5rem; }
.cta-content p { font-size: 1.25rem; color: rgba(255, 255, 255, 0.8); margin-bottom: 3rem; }
.cta-actions { display: flex; gap: 1.5rem; justify-content: center; flex-wrap: wrap; }

/* Footer */
.footer { background: rgba(0, 0, 0, 0.2); backdrop-filter: blur(20px); padding: 4rem 0 2rem; color: rgba(255, 255, 255, 0.8); }
.footer-content { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 3rem; margin-bottom: 3rem; }
.footer-logo { display: flex; align-items: center; gap: 0.5rem; font-size: 1.25rem; font-weight: 700; color: white; margin-bottom: 1rem; }
.footer-section h4 { color: white; margin-bottom: 1.5rem; font-size: 1.125rem; }
.footer-section ul { list-style: none; }
.footer-section li { margin-bottom: 0.5rem; }
.footer-section a { color: rgba(255, 255, 255, 0.7); text-decoration: none; transition: color var(--transition-smooth); }
.footer-section a:hover { color: white; }
.footer-bottom { text-align: center; padding-top: 2rem; border-top: 1px solid rgba(255, 255, 255, 0.1); }

/* Page Header */
.page-header { padding: 150px 0 4rem; text-align: center; }
.page-header-content h1 { font-size: clamp(2.5rem, 5vw, 4rem); color: white; margin-bottom: 1.5rem; font-weight: 800; }
.page-header-content p { font-size: 1.25rem; color: rgba(255, 255, 255, 0.8); }

/* Content Grid */
.content-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.content-text h2 { font-size: 2.5rem; color: white; margin-bottom: 1.5rem; }
.content-text p { color: rgba(255, 255, 255, 0.9); font-size: 1.125rem; line-height: 1.8; margin-bottom: 1.5rem; }
.content-visual { height: 400px; background: rgba(255, 255, 255, 0.1); backdrop-filter: blur(20px); border: 1px solid var(--glass-border); border-radius: var(--radius-soft); }

/* Values */
.values-section, .team-section, .tech-stack-section { padding: 4rem 0; background: rgba(255, 255, 255, 0.05); backdrop-filter: blur(20px); }
.values-grid, .team-grid, .tech-stack-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; }
.value-card, .team-card, .tech-card { text-align: center; padding: 3rem; background: rgba(255, 255, 255, 0.1); backdrop-filter: blur(20px); border: 1px solid var(--glass-border); border-radius: var(--radius-soft); transition: all var(--transition-fluid); }
.value-card:hover, .team-card:hover, .tech-card:hover { transform: translateY(-5px); background: rgba(255, 255, 255, 0.15); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2); }
.value-icon, .tech-icon { font-size: 3rem; margin-bottom: 1.5rem; }
.value-card h3, .team-card h3, .tech-card h3 { color: white; margin-bottom: 1rem; font-size: 1.25rem; }
.value-card p, .team-card p, .tech-card p { color: rgba(255, 255, 255, 0.8); }

/* Team */
.team-avatar { width: 100px; height: 100px; margin: 0 auto 1.5rem; font-size: 4rem; display: flex; align-items: center; justify-content: center; background: rgba(255, 255, 255, 0.1); border-radius: var(--radius-full); }
.team-role { color: var(--primary); font-weight: 600; margin-bottom: 1rem; }

/* Timeline */
.timeline { position: relative; max-width: 800px; margin: 0 auto; }
.timeline::before { content: ''; position: absolute; left: 80px; top: 0; bottom: 0; width: 2px; background: rgba(255, 255, 255, 0.2); }
.timeline-item { display: flex; gap: 2rem; margin-bottom: 3rem; position: relative; }
.timeline-year { flex-shrink: 0; width: 80px; font-size: 1.25rem; font-weight: 700; color: white; }
.timeline-content { flex: 1; padding: 2rem; background: rgba(255, 255, 255, 0.1); backdrop-filter: blur(20px); border: 1px solid var(--glass-border); border-radius: var(--radius-soft); position: relative; }
.timeline-content::before { content: ''; position: absolute; left: -8px; top: 2rem; width: 16px; height: 16px; background: white; border-radius: var(--radius-full); border: 3px solid rgba(59, 130, 246, 0.5); }
.timeline-content h3 { color: white; margin-bottom: 0.5rem; }
.timeline-content p { color: rgba(255, 255, 255, 0.8); }

/* Solutions */
.solution-detail { padding: 4rem 0; }
.solution-detail.alt-bg { background: rgba(255, 255, 255, 0.05); backdrop-filter: blur(20px); }
.solution-header { display: flex; align-items: center; gap: 2rem; margin-bottom: 3rem; }
.solution-icon { font-size: 4rem; width: 100px; height: 100px; display: flex; align-items: center; justify-content: center; background: rgba(255, 255, 255, 0.1); border-radius: var(--radius-soft); }
.solution-header h2 { font-size: 2.5rem; color: white; margin-bottom: 0.5rem; }
.solution-subtitle { font-size: 1.125rem; color: rgba(255, 255, 255, 0.8); }
.solution-overview, .features-list, .benefits-section { margin-bottom: 3rem; }
.solution-overview h3, .features-list h3, .benefits-section h3 { font-size: 1.75rem; color: white; margin-bottom: 1.5rem; }
.solution-overview p { color: rgba(255, 255, 255, 0.9); font-size: 1.125rem; line-height: 1.8; }

/* Features List */
.features-grid-small { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; }
.feature-item { display: flex; gap: 1.5rem; padding: 1.5rem; background: rgba(255, 255, 255, 0.05); border-radius: var(--radius-soft); }
.feature-bullet { color: var(--success); font-weight: bold; font-size: 1.5rem; flex-shrink: 0; }
.feature-item strong { color: white; display: block; margin-bottom: 0.5rem; }
.feature-item p { color: rgba(255, 255, 255, 0.8); font-size: 0.95rem; }

/* Benefits */
.benefits-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; }
.benefit-card { padding: 2rem; background: rgba(255, 255, 255, 0.1); border: 1px solid var(--glass-border); border-radius: var(--radius-soft); transition: all var(--transition-fluid); }
.benefit-card:hover { transform: translateY(-5px); background: rgba(255, 255, 255, 0.15); }
.benefit-number { font-size: 2rem; font-weight: 800; color: var(--primary); margin-bottom: 1rem; }
.benefit-card h4 { color: white; margin-bottom: 1rem; font-size: 1.25rem; }

/* Technology */
.tech-specs { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 1rem; }
.tech-badge { background: rgba(59, 130, 246, 0.2); color: white; padding: 0.25rem 0.75rem; border-radius: var(--radius-full); font-size: 0.875rem; border: 1px solid rgba(59, 130, 246, 0.3); }

/* Process Flow */
.how-it-works { padding: 4rem 0; background: rgba(255, 255, 255, 0.05); }
.process-flow { display: flex; align-items: center; gap: 2rem; overflow-x: auto; padding: 2rem 0; }
.process-step { flex-shrink: 0; width: 250px; text-align: center; }
.process-number { width: 60px; height: 60px; background: var(--primary); color: white; border-radius: var(--radius-full); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; font-weight: bold; margin: 0 auto 1rem; }
.process-content h3 { color: white; margin-bottom: 0.5rem; }
.process-content p { color: rgba(255, 255, 255, 0.8); font-size: 0.9rem; }
.process-arrow { color: white; font-size: 2rem; flex-shrink: 0; }

/* Features Deep Dive */
.features-deep { padding: 4rem 0; }
.features-deep-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.feature-deep-card { padding: 2rem; background: rgba(255, 255, 255, 0.1); border: 1px solid var(--glass-border); border-radius: var(--radius-soft); }
.feature-deep-card h3 { color: white; margin-bottom: 1rem; }
.feature-deep-card p { color: rgba(255, 255, 255, 0.9); margin-bottom: 1rem; }
.feature-deep-card ul { list-style: none; padding-left: 0; }
.feature-deep-card li { color: rgba(255, 255, 255, 0.8); padding: 0.5rem 0; padding-left: 1.5rem; position: relative; }
.feature-deep-card li::before { content: "•"; position: absolute; left: 0; color: var(--primary); }

/* Tech Specs Table */
.tech-specs-section { padding: 4rem 0; background: rgba(255, 255, 255, 0.05); }
.specs-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); gap: 3rem; }
.spec-category { background: rgba(255, 255, 255, 0.1); padding: 2rem; border-radius: var(--radius-soft); }
.spec-category h3 { color: white; margin-bottom: 1.5rem; }
.specs-table { width: 100%; }
.specs-table tr { border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
.specs-table td { padding: 1rem 0; color: rgba(255, 255, 255, 0.8); }
.specs-table td:first-child { font-weight: 600; color: white; }

/* Contact Form */
.contact-section { padding: 4rem 0; }
.contact-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 3rem; }
.contact-form-container h2, .contact-info-card h3 { color: white; margin-bottom: 1rem; }
.form-description { color: rgba(255, 255, 255, 0.8); margin-bottom: 2rem; }
.contact-form { display: flex; flex-direction: column; gap: 1.5rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.form-group label { display: block; color: white; margin-bottom: 0.5rem; font-weight: 500; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 0.75rem 1rem; border-radius: var(--radius-soft);
    border: 1px solid var(--glass-border); background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px); color: white; font-size: 1rem;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: rgba(255, 255, 255, 0.5); }
.checkbox-group label { display: flex; align-items: center; gap: 0.5rem; color: rgba(255, 255, 255, 0.8); }
.form-note { color: rgba(255, 255, 255, 0.6); font-size: 0.875rem; text-align: center; }

/* Contact Info */
.contact-info-card, .quick-links-card, .support-card {
    background: rgba(255, 255, 255, 0.1); padding: 2rem; border-radius: var(--radius-soft);
    border: 1px solid var(--glass-border); margin-bottom: 1.5rem;
}
.contact-info-item { display: flex; gap: 1rem; margin-bottom: 1.5rem; }
.contact-icon { font-size: 1.5rem; }
.contact-info-item strong { color: white; display: block; margin-bottom: 0.25rem; }
.contact-info-item p { color: rgba(255, 255, 255, 0.8); }
.contact-info-item a { color: rgba(255, 255, 255, 0.8); text-decoration: none; }
.quick-links-card ul { list-style: none; }
.quick-links-card li { margin-bottom: 0.75rem; }
.quick-links-card a { color: rgba(255, 255, 255, 0.8); text-decoration: none; }
.quick-links-card a:hover { color: white; }
.support-card p { color: rgba(255, 255, 255, 0.8); margin-bottom: 1rem; }

/* FAQ */
.faq-section { padding: 4rem 0; background: rgba(255, 255, 255, 0.05); }
.faq-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 2rem; }
.faq-item { background: rgba(255, 255, 255, 0.1); padding: 2rem; border-radius: var(--radius-soft); border: 1px solid var(--glass-border); }
.faq-item h3 { color: white; margin-bottom: 1rem; font-size: 1.125rem; }
.faq-item p { color: rgba(255, 255, 255, 0.8); }

/* Responsive */
@media (max-width: 768px) {
    .nav-links { 
        display: none; 
        position: fixed; 
        top: 80px; 
        left: 0; 
        right: 0; 
        background: rgba(0, 0, 0, 0.95); 
        backdrop-filter: blur(20px); 
        flex-direction: column; 
        padding: 2rem; 
        gap: 1rem;
    }
    .nav-links.active { display: flex; }
    .mobile-menu-btn { display: flex; }
    .mobile-menu-btn.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
    .mobile-menu-btn.active span:nth-child(3) { transform: rotate(-45deg) translate(7px, -7px); }
    .use-case-card, .contact-grid, .content-grid { grid-template-columns: 1fr; }
    .use-case-image { min-height: 300px; }
    .hero-stats { gap: 1.5rem; }
    .process-flow { flex-direction: column; align-items: stretch; }
    .process-arrow { transform: rotate(90deg); }
    .form-row { grid-template-columns: 1fr; }
    .hero-actions { flex-direction: column; }
    .timeline::before { left: 20px; }
    .timeline-year { width: 60px; font-size: 1rem; }
    .timeline-content::before { left: -28px; }
}