/* Quenos.AI Styles */
:root {
    --bg: #0a0a0a;
    --surface: #141414;
    --surface-alt: #1a1a1a;
    --border: #262626;
    --border-light: #333;
    --text: #fafafa;
    --text-muted: #a1a1a1;
    --text-dim: #666;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --accent-light: rgba(59, 130, 246, 0.1);
    --success: #22c55e;
    --warning: #f59e0b;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

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

/* Header */
header {
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
}

.logo span {
    color: var(--accent);
}

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

nav a {
    color: var(--text-muted);
    text-decoration: none;
    padding: 8px 16px;
    font-size: 0.9rem;
    transition: color 0.2s;
    border-radius: 6px;
}

nav a:hover {
    color: var(--text);
}

.lang-switcher {
    display: flex;
    margin-left: 16px;
    padding-left: 16px;
    border-left: 1px solid var(--border);
    gap: 4px;
}

.lang-switcher a {
    padding: 6px 10px;
    font-size: 0.8rem;
    border-radius: 4px;
}

.lang-switcher a.active {
    background: var(--accent);
    color: white;
}

/* Hero */
.hero {
    padding: 100px 0 80px;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent-light);
    border: 1px solid rgba(59, 130, 246, 0.3);
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 0.9rem;
    color: var(--accent);
    margin-bottom: 24px;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero h1 span {
    background: linear-gradient(135deg, var(--accent), #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-sub {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 40px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.btn {
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--text-muted);
}

.btn-large {
    padding: 18px 36px;
    font-size: 1.1rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Problem/Solution */
.problem-solution {
    padding: 80px 0;
    border-top: 1px solid var(--border);
}

.ps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.ps-card {
    padding: 32px;
    border-radius: 12px;
}

.ps-card.problem {
    background: rgba(239, 68, 68, 0.05);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.ps-card.solution {
    background: rgba(34, 197, 94, 0.05);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.ps-card h3 {
    margin-bottom: 16px;
    font-size: 1.25rem;
}

.ps-card ul {
    list-style: none;
}

.ps-card li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    color: var(--text-muted);
}

.ps-card.problem li::before {
    content: "✗";
    position: absolute;
    left: 0;
    color: #ef4444;
}

.ps-card.solution li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #22c55e;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.25rem;
    margin-bottom: 16px;
}

.section-header p {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.1rem;
}

/* Services */
.services {
    padding: 80px 0;
    border-top: 1px solid var(--border);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px;
    transition: border-color 0.2s;
}

.service-card:hover {
    border-color: var(--border-light);
}

.service-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.service-card > p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.service-features {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.service-features li {
    background: var(--surface-alt);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* How It Works */
.how-it-works {
    padding: 80px 0;
    border-top: 1px solid var(--border);
    background: var(--surface);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 32px;
}

.step {
    text-align: center;
    padding: 24px;
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step h3 {
    margin-bottom: 12px;
}

.step p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Use Cases */
.usecases {
    padding: 80px 0;
    border-top: 1px solid var(--border);
}

.usecase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.usecase-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px;
}

.usecase-industry {
    display: inline-block;
    background: var(--accent-light);
    color: var(--accent);
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 0.8rem;
    margin-bottom: 16px;
}

.usecase-card h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
}

.usecase-card > p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.usecase-result {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.9rem;
}

.result-label {
    color: var(--success);
    font-weight: 500;
}

/* Principles */
.principles {
    padding: 80px 0;
    border-top: 1px solid var(--border);
    background: var(--surface);
}

.principles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 32px;
}

.principle {
    text-align: center;
    padding: 24px;
}

.principle-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.principle h3 {
    margin-bottom: 12px;
}

.principle p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* About */
.about {
    padding: 80px 0;
    border-top: 1px solid var(--border);
}

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

.about-text h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 16px;
    font-size: 1.05rem;
}

.about-team {
    display: flex;
    gap: 24px;
    margin-top: 32px;
}

.team-member {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--surface);
    padding: 12px 20px;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.member-avatar {
    font-size: 1.5rem;
}

.member-info {
    display: flex;
    flex-direction: column;
}

.member-info strong {
    font-size: 0.95rem;
}

.member-info span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.about-badge {
    flex-shrink: 0;
}

.badge-inner {
    background: var(--surface);
    border: 2px solid var(--accent);
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.badge-icon {
    font-size: 3rem;
}

.badge-text {
    font-weight: 600;
    font-size: 1.1rem;
}

.badge-sub {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* FAQ */
.faq {
    padding: 80px 0;
    border-top: 1px solid var(--border);
    background: var(--surface);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
}

.faq-item {
    padding: 24px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
}

.faq-item h3 {
    font-size: 1rem;
    margin-bottom: 12px;
}

.faq-item p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    border-top: 1px solid var(--border);
}

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

.cta-content h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.cta-content p {
    color: var(--text-muted);
    margin-bottom: 32px;
    font-size: 1.1rem;
}

/* Contact */
.contact {
    padding: 80px 0;
    border-top: 1px solid var(--border);
    background: var(--surface);
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-info h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}

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

.contact-methods {
    margin-bottom: 40px;
}

.contact-method {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--bg);
    padding: 16px 28px;
    border-radius: 12px;
    border: 1px solid var(--border);
    text-decoration: none;
    color: var(--text);
    font-size: 1.1rem;
    transition: border-color 0.2s;
}

.contact-method:hover {
    border-color: var(--accent);
}

.method-icon {
    font-size: 1.25rem;
}

.contact-markets p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 12px;
}

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

.market {
    background: var(--bg);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.9rem;
}

/* Footer */
footer {
    padding: 60px 0 40px;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 8px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
}

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

.footer-lang {
    display: flex;
    gap: 16px;
}

.footer-lang a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
}

.footer-lang a:hover {
    color: var(--text);
}

.footer-bottom {
    padding-top: 20px;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 900px) {
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-badge {
        order: -1;
    }
    
    .about-team {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 16px;
    }
    
    nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    nav a {
        padding: 8px 12px;
    }
    
    .lang-switcher {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        margin-top: 8px;
        padding-top: 8px;
        border-top: 1px solid var(--border);
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero-stats {
        gap: 40px;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links, .footer-lang {
        justify-content: center;
    }
}

@media (max-width: 400px) {
    .services-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }
}